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Welcome to the RRUFF Project website containing an integrated database of Raman spectra, X-ray diffraction and chemistry data for minerals. |
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Katayamalite RRUFF ID: R070147 |
Ideal Chemistry: KLi3Ca7Ti4+2(SiO3)12(OH)2 |
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Locality: Dara-i-Pioz, Hait, Alayskiy (Alay; Alai) Range, South Tien-Shan Mts., Tajikistan Source: Michael Scott S105814 Owner: RRUFF Description: Light tan colored platy massive Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Baratovite (2) ] | ||||||||||
| Quick search: [ All Katayamalite samples (2) ] | ||||||||||
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Katayamalite RRUFF ID: R120164 |
Ideal Chemistry: KLi3Ca7Ti4+2(SiO3)12(OH)2 |
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Locality: Iwagi Island, Inland Sea, Ehime Prefecture, Japan Source: Donald Doell Owner: RRUFF Description: Colorless platy crystals with a brilliant bluish white fluorescence (short wave), associated with albite, wollastonite, pectolite, and aegirine. Crystal used in Andrade et al (2013) study Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Baratovite (2) ] | ||||||||||
| Quick search: [ All Katayamalite samples (2) ] | ||||||||||
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Katoite RRUFF ID: R070646 |
Ideal Chemistry: Ca3Al2(OH)12 |
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Locality: Synthetic Source: Marcus Origlieri Owner: RRUFF Description: White to colorless powder mixed with small trapezohedral crystals, sample from Lager et al (2002) study. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Katoite samples (2) ] | ||||||||||
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Katoite RRUFF ID: R080034 |
Ideal Chemistry: Ca3Al2(OH)12 |
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Locality: Wilui River, Russia Source: Royal Ontario Museum M11320 Owner: RRUFF Description: Pale yellow to colorless euhedral crystals associated with dark brown andradite crystals Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Katoite samples (2) ] | ||||||||||
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Katoptrite RRUFF ID: R140009 |
Ideal Chemistry: Mn2+13Al4Sb5+2O20(SiO4)2 |
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Locality: Brattfors mine, Nordmark, Filipstad, Värmland, Sweden Source: Rock Currier Owner: RRUFF Description: Black grains, thin black splinters or flakes Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Katoptrite (2) ] | ||||||||||
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Kazanskyite RRUFF ID: R130020 |
Ideal Chemistry: Ba◻Ti4+Nb5+Na3Ti4+(Si2O7)2O2(OH)2(H2O)2 |
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Locality: Kirovskii mine, Mount Kukisvumchorr, Khibiny alkaline massif, Kola Peninsula, Russia Source: Fernando Camara Owner: Fernando Camara Description: Colourless to very pale tan flakes, associated with natrolite, barytolamprophyllite, nechelyustovite, hydroxylapatite, belovite-(La), belovite-(Ce), gaidonnayite, nenadkevichite, epididymite, apophyllite-(KF) and sphalerite. Data from Camara et al (2012) Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Kegelite RRUFF ID: R080021 |
Ideal Chemistry: Pb2+4Al2Si4O10(S6+O4)(CO3)2(OH)4 |
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Locality: Tsumeb, Namibia Source: William W. Pinch Owner: RRUFF Description: Colorless sectile crystal plates with perfect (100) cleavage, associated with mimetite Status: The identification of this mineral is not yet confirmed. |
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Keilite RRUFF ID: R070104 |
Ideal Chemistry: Fe2+S2- |
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Locality: Abee meteorite, Alberta, Canada Source: Michael Scott S105070 Owner: RRUFF Description: Dark gray metallic polished fragment embedded in epoxy Status: The identification of this mineral has been confirmed only by chemical analysis |
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| Mineral Group: [ Rocksalt (18) ] | ||||||||||
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Keiviite-(Yb) RRUFF ID: R060522 |
Ideal Chemistry: Yb3+2Si2O7 |
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Locality: Mount Ploskaja, west Keivy, Kola, Russia Source: Michael Scott S100282 Owner: RRUFF Description: White massive blebs in fluorite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Thortveitite (3) ] | ||||||||||
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Kellyite RRUFF ID: R060903 |
Ideal Chemistry: (Mn2+,Mg,Al)3(Si,Al)2O5(OH)4 |
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Locality: Near Bald Knob, Alleghany County, North Carolina, USA Source: Michael Scott S100995 Owner: RRUFF Description: Light-yellow irregular to platy tablets Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ Clay (86) ] [ serpentine (12) ] | ||||||||||
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Kemmlitzite RRUFF ID: R070663 |
Ideal Chemistry: SrAl3(As5+O4)(S6+O4)(OH)6 |
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Locality: Falotta, Tinizong (Tinzen), Sursass (Oberhalbstein), Grischun (Grisons; Graubünden), Switzerland Source: Michael Scott S102336 Owner: RRUFF Description: Black bleb included in rhodonite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Groups: [ alunite (46) ] [ beudantite (14) ] | ||||||||||
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Kempite RRUFF ID: R070679 |
Ideal Chemistry: Mn2+2Cl(OH)3 |
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Locality: Oktyabr'sky mine, Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia Source: Michael Scott S106035 Owner: RRUFF Description: Metallic fragment with a green tinge, associated with pale grey magnetite, polished and embedded in epoxy Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Atacamite (16) ] | ||||||||||
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Kenoargentotetrahedrite-(Fe) RRUFF ID: R061081 |
Ideal Chemistry: Ag1+6(Cu1+4Fe2+2)Sb4S2-12◻ |
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Locality: Sadie mine, Elsa, Yukon, Canada Source: Lloyd Twaites LT 863 Owner: RRUFF Description: Dark gray metallic massive Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Group: [ Tetrahedrite (11) ] | ||||||||||
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Kenoplumbomicrolite RRUFF ID: R130729 |
Ideal Chemistry: (Pb2+,◻)2Ta5+2O6[◻,(OH),O] |
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Locality: Ploskaya Mountains, Keivy Massif, Kola, Russian Federation Source: Donald Doell Owner: RRUFF Description: Massive brown crystals with uneven fracture. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Kentbrooksite RRUFF ID: R110208 |
Ideal Chemistry: (Na,La3+)15(Ca,La3+)6Mn2+3Zr4+3Nb5+Si25O73(O,OH,H2O)3(F,Cl)2 |
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Locality: Pocos de Caldas plateau, Minas Gerais, Brazil Source: Gunnar Farber Owner: RRUFF Description: Red massive crystalline associated with aegirine and nepheline Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ eudialyte (13) ] | ||||||||||
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Kentrolite RRUFF ID: R060245 |
Ideal Chemistry: Pb2+2Mn3+2O2(Si2O7) |
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Locality: Percha Creek area, Hillsboro District, Sierra County, New Mexico, USA Source: William W. Pinch Owner: RRUFF Description: Dark-purple colored single crystals associated with orange colored prismatic vanadinite and calcite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Kermesite RRUFF ID: R060742 |
Ideal Chemistry: Sb3+2OS2-2 |
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Locality: Pezinok, Czechoslovakia Source: Michael Scott S101199 Owner: RRUFF Description: Dark red elongated bladed crystals associated with quartz and blue tanished gudmundite, R060741 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Kernite RRUFF ID: R050661 |
Ideal Chemistry: Na2B4O6(OH)2·3H2O |
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Locality: Boron, Kern County, California, USA Source: Marcus Origlieri Owner: RRUFF Description: Colorless cleavage fragment Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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Kësterite RRUFF ID: R120098 |
Ideal Chemistry: Cu1+2Zn2+Sn4+S2-4 |
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Locality: Xuebaoding, Sichuan Province, China Source: Marcus Origlieri Owner: RRUFF Description: Metallic gray surficially altered to green mushistonite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ Stannite (11) ] [ Sphalerite (35) ] | ||||||||||
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Kettnerite RRUFF ID: R130113 |
Ideal Chemistry: CaBi3+O(CO3)F |
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Locality: Flying Saucer Group, Maricopa County, Arizona Source: Mark Ascher Owner: RRUFF Description: Both colorless and lemon-yellow small platy crystals, associated with R130114 eulytine, and yellow-green mottramite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Bismutite (3) ] | ||||||||||
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Keyite RRUFF ID: R050585 |
Ideal Chemistry: (◻0.5Cu2+0.5)Cu2+Cd2+Zn2+2(As5+O4)3·H2O |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: University of Arizona Mineral Museum 14754 Owner: RRUFF Description: Microscopic blue prismatic crystals embedded in green zincolivenite, R050583, and associated with schultenite, R050584 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Alluaudite (22) ] | ||||||||||
| Quick search: [ All Keyite samples (2) ] | ||||||||||
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Keyite RRUFF ID: R090039 |
Ideal Chemistry: (◻0.5Cu2+0.5)Cu2+Cd2+Zn2+2(As5+O4)3·H2O |
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Locality: Tsumeb, Namibia Source: William W. Pinch Owner: RRUFF Description: Blue crystals associated with green zincolivenite on matrix of tennantite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Alluaudite (22) ] | ||||||||||
| Quick search: [ All Keyite samples (2) ] | ||||||||||
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Keystoneite RRUFF ID: R070660 |
Ideal Chemistry: Mg0.5Ni2+Fe3+(Te4+O3)3·4H2O |
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Locality: McAlpine mine, Moccasin, Tuolumne County, California, USA Source: Michael Scott S105215 Owner: RRUFF Description: Clusters of greenish yellow acicular microcrystals associated with quartz and pyrite. Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Zemannite (3) ] | ||||||||||
| Quick search: [ All Keystoneite samples (2) ] | ||||||||||
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Keystoneite RRUFF ID: R070661 |
Ideal Chemistry: Mg0.5Ni2+Fe3+(Te4+O3)3·4H2O |
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Locality: McAlpine mine, Moccasin, Tuolumne County, California, USA Source: Michael Scott S106029 Owner: RRUFF Description: Clusters of greenish yellow acicular microcrystals associated with quartz and pyrite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Zemannite (3) ] | ||||||||||
| Quick search: [ All Keystoneite samples (2) ] | ||||||||||
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Khaidarkanite RRUFF ID: R060322 |
Ideal Chemistry: Cu2+4Al3(OH)14F3·2H2O |
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Locality: Khaidarkan, (Kirgizia) Kyrgyzstan Source: Michael Scott S100280 Owner: RRUFF Description: Pale sky blue acicular divergent crystals, each fiber is an aggregate of even finer fibers Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Cyanotrichite (4) ] | ||||||||||
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Khanneshite RRUFF ID: R070672 |
Ideal Chemistry: (Na,Ca)3(Ba,Sr,Ce3+,Ca)3(CO3)5 |
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Locality: Tuliylukht Bay, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Michael Scott S102128 Owner: RRUFF Description: Vitreous orange massive on single grain Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ burbankite (8) ] | ||||||||||
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Khinite RRUFF ID: R080124 |
Ideal Chemistry: Cu2+3Pb2+Te6+O6(OH)2 |
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Locality: 400 ft. level, Empire mine, Tombstone, Arizona Source: William W. Pinch Owner: RRUFF Description: Aggregates of dark emerald-green hexagonal prismatic crystals, this is the -3T polytype, previously known as parakhinite. Sample was used in the Hawthorne et al (2008) study Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Kidwellite RRUFF ID: R060324 |
Ideal Chemistry: NaFe3+9+x(PO4)6(OH)11·3H2O (x ≈ 1/3) |
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Locality: York mine, Polk County, Arkansas, USA Source: Michael Scott S100182 Owner: RRUFF Description: Light green radiating acicular crystals forming a spherical mat Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Kidwellite samples (2) ] | ||||||||||
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Kidwellite RRUFF ID: R070106 |
Ideal Chemistry: NaFe3+9+x(PO4)6(OH)11·3H2O (x ≈ 1/3) |
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Locality: Teskov, Czech Republic Source: Bob Jenkins Owner: RRUFF Description: Tan colored hemispheres on quartz, associated with meurigite, R070105 Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Kidwellite samples (2) ] | ||||||||||
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Kimuraite-(Y) RRUFF ID: R050586 |
Ideal Chemistry: CaY2(CO3)4·6H2O |
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Locality: Mitsukoshi, Hizen town, Higashimatsuura County, Saga Prefecture, Japan Source: Marcus Origlieri Owner: RRUFF Description: Aggregate of white scaly crystals Status: The identification of this mineral has been confirmed only by chemical analysis |
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| Mineral Group: [ Tengerite (3) ] | ||||||||||
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Kimzeyite RRUFF ID: R060148 |
Ideal Chemistry: Ca3Zr4+2(Al2Si)O12 |
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Locality: Magnet Cove, Arkansas, USA Source: University of Arizona Mineral Museum Owner: RRUFF Description: Black dodecahedra mixed with andradite and associated with quartz Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
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Kingite RRUFF ID: R060997 |
Ideal Chemistry: Al3(PO4)2F2(OH)·7H2O |
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Locality: Clinton, South Australia Source: Bob Jenkins Owner: RRUFF Description: White consolidated micron-sized laths Status: The identification of this mineral is not yet confirmed. |
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Kingsmountite RRUFF ID: R220015 |
Ideal Chemistry: Ca3Mn2+Fe2+Al4(PO4)6(OH)4·12H2O |
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Locality: Silbergrube, Waidhaus, Bavaria, Germany Source: Herwig Pelckmans Owner: RRUFF Description: Sprays of clear colorless thin platy crystals Status: unconfirmed |
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| Mineral Group: [ Calcioferrite (6) ] | ||||||||||
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Kinoite RRUFF ID: R040155 |
Ideal Chemistry: Ca2Cu2+2Si3O10·2H2O |
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Locality: Christmas mine, Christmas, Gila County, Arizona, USA Source: University of Arizona Mineral Museum 10333 Owner: RRUFF Description: Pale blue crust Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Kinoite samples (2) ] | ||||||||||
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Kinoite RRUFF ID: R050168 |
Ideal Chemistry: Ca2Cu2+2Si3O10·2H2O |
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Locality: Christmas mine, Christmas, Gila County, Arizona, USA Source: Marcus Origlieri Owner: RRUFF Description: Blue tabular crystals associated with hydroxyapophyllite, R050169 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Kinoite samples (2) ] | ||||||||||
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Kinoshitalite RRUFF ID: R070656 |
Ideal Chemistry: BaMg3(Si2Al2)O10(OH)2 |
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Locality: Hokkejino, Kyoto Prefecture, Kinki Region, Honshu Island, Japan Source: Michael Scott S102325 Owner: RRUFF Description: Yellowish brown platy crystals in granular matrix of tephroite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
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Kipushite RRUFF ID: R060826 |
Ideal Chemistry: Cu2+6(PO4)2(OH)6·H2O |
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Locality: Shaba Provence, Zaire Source: Michael Scott S101188 Owner: RRUFF Description: Spherical aggregates of medium and dark greenish blue mineral associated with pseudo-kipushite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Philipsburgite (2) ] | ||||||||||
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Kirschsteinite RRUFF ID: R070266 |
Ideal Chemistry: CaFe2+SiO4 |
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Locality: Dolores mine, Pastrana, Mazarrón, Murcia, Spain Source: Michael Scott S105226 Owner: RRUFF Description: Aggregate of vitreous brown rhombic prismatic crystals with conchoidal fracture Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
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Klebelsbergite RRUFF ID: R060157 |
Ideal Chemistry: Sb3+4O4(S6+O4)(OH)2 |
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Locality: Pereta mine, near Grosseto, Tuscany, Italy Source: Marcus Origlieri Owner: RRUFF Description: Yellow-orange tufted aggregates of bladed crystals on stibnite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Klebelsbergite (1) ] | ||||||||||
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Kleinite RRUFF ID: R060329 |
Ideal Chemistry: (Hg2N)1+(Cl,S6+O4)·nH2O |
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Locality: McDermott mine, Humboldt County, Nevada, USA Source: Michael Scott S100169 Owner: RRUFF Description: Light yellow hexagonal prismatic or tabular crystals, associated with orange or dark yellow platy terlinguacreekite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Kleinite samples (2) ] | ||||||||||
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Kleinite RRUFF ID: R150103 |
Ideal Chemistry: (Hg2N)1+(Cl,S6+O4)·nH2O |
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Locality: Terlingua, Brewster Co., Texas, USA Source: William W. Pinch Owner: RRUFF Description: Aggregates of orange short hexagonal prismatic crystals, associated with colorless or white prismatic gypsum. Part of the type find. Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Kleinite samples (2) ] | ||||||||||
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Klockmannite RRUFF ID: R070658 |
Ideal Chemistry: Cu5.2Se6 |
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Locality: Cacheuta mine, Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina Source: Michael Scott S105180 Owner: RRUFF Description: Metallic steel-gray granular aggregates with dull blue-green tarnish associated with umangite mounted in epoxy disc Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Covellite (4) ] | ||||||||||
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Klyuchevskite RRUFF ID: R070659 |
Ideal Chemistry: K3Cu2+3Fe3+O2(S6+O4)4 |
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Locality: Yadevitaya fumarole, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia Source: Michael Scott S105208 Owner: RRUFF Description: Clusters of dark green radiating prismatic crystals associated with langbeinite, co-type sample Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Klyuchevskite (2) ] | ||||||||||
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Kobellite RRUFF ID: R070669 |
Ideal Chemistry: Pb2+11(Cu1+,Fe2+)2(Bi3+,Sb3+)15S2-35 |
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Locality: Jedlovec (Fichtenhubel) deposit, Smolník ore belt, Slovenske Rudohorie Mts, Koický Kraj, Slovak Republic Source: Michael Scott S105219 Owner: RRUFF Description: Steel gray metallic massive associated with chalcopyrite and siderite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Kobellite (9) ] | ||||||||||
| Quick search: [ All Kobellite samples (2) ] | ||||||||||
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Kobellite RRUFF ID: R110092 |
Ideal Chemistry: Pb2+11(Cu1+,Fe2+)2(Bi3+,Sb3+)15S2-35 |
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Locality: Crabtree quarry, Wake County, North Carolina, USA Source: Mark Feinglos Owner: RRUFF Description: Dark grey metallic massive, associated with quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Kobellite (9) ] | ||||||||||
| Quick search: [ All Kobellite samples (2) ] | ||||||||||
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Kobyashevite RRUFF ID: R160001 |
Ideal Chemistry: Cu2+5(S6+O4)2(OH)6·4H2O |
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Locality: Ojuela mine (Cumbres lugar), Mapimí, Durango, Mexico Source: Eugene Schlepp Owner: RRUFF Description: Turquoise colored short-bladed or tabular crystals associated with gypsum microcrystals coating calcite and hemimorphite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
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Koenenite RRUFF ID: R060989 |
Ideal Chemistry: Na4Mg9Al4Cl12(OH)22 |
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Locality: Grauer Salzton, Bergmannssegen Quarry, Lehrte, near Hannover, Germany Source: Michael Scott S101315 Owner: RRUFF Description: Aggregate of orange tabular crystals showing a micaceous cleavage. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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Kolarite RRUFF ID: R070677 |
Ideal Chemistry: PbTeCl2 |
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Locality: Oktyabr'sky Mine, Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia Source: Michael Scott S106032 Owner: RRUFF Description: Steel gray metallic massive polished fragment embedded in epoxy Status: The identification of this mineral is not yet confirmed. |
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Kolbeckite RRUFF ID: R060981 |
Ideal Chemistry: ScPO4·2H2O |
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Locality: Hot Springs County, Arkansas, USA Source: Bob Jenkins Owner: RRUFF Description: Greenish-yellow prismatic single crystal. Used in the Yang et al (2007) study Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Phosphosiderite (6) ] | ||||||||||
| Quick search: [ All Kolbeckite samples (2) ] | ||||||||||
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Kolbeckite RRUFF ID: R061040 |
Ideal Chemistry: ScPO4·2H2O |
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Locality: Christy Pit, Magnet Cove, Arkansas, USA Source: Mark Mauthner Owner: RRUFF Description: Green platy crystal, severely twinned, associated with quartz. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Phosphosiderite (6) ] | ||||||||||
| Quick search: [ All Kolbeckite samples (2) ] | ||||||||||
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Komarovite RRUFF ID: R070054 |
Ideal Chemistry: (Ca,Sr,Na)6-x(Nb5+,Ti4+)6(Si4O12)(O,OH,F)16·nH2O |
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Locality: Kukisvumchorr Mountain, Khibiny Massif, Kola Peninsula, Russia Source: Michael Scott S105071 Owner: RRUFF Description: Pale rose colored tabular crystals associated with natrolite Status: The identification of this mineral is not yet confirmed. |
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Kombatite RRUFF ID: R070720 |
Ideal Chemistry: Pb2+14O9(V5+O4)2Cl4 |
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Locality: Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia Source: William W. Pinch Owner: RRUFF Description: Yellow irregular crystals with perfect cleavage, associated with black jacobsite, R070719 and colorless barysilite, R070651 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
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Koritnigite RRUFF ID: R060654 |
Ideal Chemistry: Zn2+(As5+O3OH)·H2O |
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Locality: Jachymov, Czech Republic Source: Michael Scott S101163 Owner: RRUFF Description: Reddish-pink spherical aggregates Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Koritnigite (3) ] | ||||||||||
)
|
Kornerupine RRUFF ID: R050214 |
Ideal Chemistry: (Mg,Fe2+,Al,◻)10(Si,Al,B)5O21(OH,F)2 |
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Locality: Sri Lanka Source: Jibamitra Ganguly Owner: RRUFF Description: Water-worn single crystal fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Kornerupine (3) ] | ||||||||||
| Quick search: [ All Kornerupine samples (2) ] | ||||||||||
)
|
Kornerupine RRUFF ID: R100155 |
Ideal Chemistry: (Mg,Fe2+,Al,◻)10(Si,Al,B)5O21(OH,F)2 |
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Locality: Sri Lanka Source: William W. Pinch Owner: RRUFF Description: Colorless to pale yellow cut gemstone Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Kornerupine (3) ] | ||||||||||
| Quick search: [ All Kornerupine samples (2) ] | ||||||||||
)
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Korobitsynite RRUFF ID: R110192 |
Ideal Chemistry: (Na,◻)4Ti4+2(Si4O12)(O,OH)2·4H2O |
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Locality: Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada Source: Donald Doell Owner: RRUFF Description: Colorless bladed crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ labuntsovite (11) ] | ||||||||||
)
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Kosmochlor RRUFF ID: R120015 |
Ideal Chemistry: NaCr3+Si2O6 |
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Locality: Synthetic Source: George Harlow Owner: RRUFF Description: Green fragments. Sample was synthesized by Harlow (1997) and used in the Origlieri et al (2003) study Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
)
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Kosnarite RRUFF ID: R060250 |
Ideal Chemistry: KZr4+2(PO4)3 |
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Locality: Jenipapo District, Itinga, Minas Gerais, Brazil Source: William W. Pinch Owner: RRUFF Description: Tan to colorless fragment Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
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Kostovite RRUFF ID: R070282 |
Ideal Chemistry: AuCuTe4 |
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Locality: Chelopech mine, Chelopech Obshchina, Balkan Mts, Sofiya Oblast, Bulgaria Source: Michael Scott S100607 Owner: RRUFF Description: Dark gray metallic fragment embedded in epoxy. Portion of type sample Status: The identification of this mineral has been confirmed only by chemical analysis |
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)
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Kotoite RRUFF ID: R060940 |
Ideal Chemistry: Mg3(BO3)2 |
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Locality: Hol Kol mine, Samdung, near Pyongyang, Suan County, North Korea Source: Michael Scott S101243 Owner: RRUFF Description: Aggregate of pale green micro grains Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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)
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Köttigite RRUFF ID: R110032 |
Ideal Chemistry: Zn2+3(As5+O4)2·8H2O |
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Locality: 44 level, Tsumeb mine, Tsumeb, Namibia Source: William W Pinch Owner: RRUFF Description: Bundles of gray acicular crystals associated with ludlockite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Vivianite (17) ] | ||||||||||
| Quick search: [ All Köttigite samples (2) ] | ||||||||||
)
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Köttigite RRUFF ID: R110035 |
Ideal Chemistry: Zn2+3(As5+O4)2·8H2O |
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Locality: Ojuela mine, Mapimi, Durango, Mexico Source: The University of Arizona Mineral Museum 18728 Owner: Marcus J. Origlieri Description: Spray of dark blue bladed crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Vivianite (17) ] | ||||||||||
| Quick search: [ All Köttigite samples (2) ] | ||||||||||
)
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Kovdorskite RRUFF ID: R050505 |
Ideal Chemistry: Mg2PO4(OH)·3H2O |
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Locality: Kovdor Massif, Kola Peninsula, Russia Source: Bob Downs Owner: RRUFF Description: Colorless prismatic crystals, slightly pink in color when viewed in bulk. This sample was used in the structural study by Morrison et al (2012) Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Kovdorskite samples (2) ] | ||||||||||
)
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Kovdorskite RRUFF ID: R060579 |
Ideal Chemistry: Mg2PO4(OH)·3H2O |
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Locality: Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Michael Scott S100808 Owner: RRUFF Description: Pale blue prismatic crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Kovdorskite samples (2) ] | ||||||||||
)
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Kozoite-(La) RRUFF ID: R060995 |
Ideal Chemistry: LaCO3(OH) |
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Locality: Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan Source: Marcus Origlieri Owner: RRUFF Description: Pink spheres, radially zoned with kozoite-(Nd). Surface of spheres are reported to be kozoite-(Nd). Kozoite-(La) are distinguished from kozoite-(Nd) by being closer to white. Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Ancylite (6) ] | ||||||||||
)
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Kozoite-(Nd) RRUFF ID: R060996 |
Ideal Chemistry: NdCO3(OH) |
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Locality: Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan Source: Marcus Origlieri Owner: RRUFF Description: Pink sphere, radially zoned with kozoite-(La). The kozoite-(Nd) is distinguished from kozoite-(La) by being pinker in color. Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Ancylite (6) ] | ||||||||||
)
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Kraisslite RRUFF ID: R060328 |
Ideal Chemistry: Zn2+3(Mn2+,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16 |
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Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA Source: Michael Scott S100194 Owner: RRUFF Description: Coppery brown thin plates Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Hematolite (6) ] | ||||||||||
)
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Krásnoite RRUFF ID: R120056 |
Ideal Chemistry: Ca3Al7.7Si3P4O23.5(OH)12.1F2·8H2O |
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Locality: Horní Slavkov, Czech Republic Source: Bob Jenkins Owner: RRUFF Description: Aggregate of colorless thin hexagonal plates on quartz Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Perhamite (2) ] | ||||||||||
)
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Krasnovite RRUFF ID: R080115 |
Ideal Chemistry: Ba(Al,Mg)(PO4,CO3)(OH)2·H2O |
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Locality: Cerro Sapo Carbonatite dyke, Cochabamba, Bolivia Source: William W. Pinch Owner: RRUFF Description: Pastel blue, vitreous massive, associated with blue sodalite and white ankerite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
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Krausite RRUFF ID: R110211 |
Ideal Chemistry: KFe3+(S6+O4)2·H2O |
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Locality: Mina Alcaparrosa, Cerritos Bayos, Calama, Atacama, II Region, Chile Source: Gunnar Farber Owner: RRUFF Description: Aggregates of colorless bladed crystals associated with pertlikite R110209 and coquimbite R110210 Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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)
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Krauskopfite RRUFF ID: R070657 |
Ideal Chemistry: BaSi2O5·3H2O |
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Locality: Rush Creek, Fresno County, California, USA Source: Michael Scott S105171 Owner: RRUFF Description: Colorless to white bladed crystals associated with witherite and quartz. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
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Krautite RRUFF ID: R060967 |
Ideal Chemistry: Mn2+(As5+O3OH)·H2O |
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Locality: Jachymov, Bohemia, Czech Republic Source: Michael Scott S100387 Owner: RRUFF Description: Pink spheroidal aggregates and crusts found with other secondary arsenic minerals, quartz and mica Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Koritnigite (3) ] | ||||||||||
)
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Krennerite RRUFF ID: R060138 |
Ideal Chemistry: Au3AgTe8 |
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Locality: Strong mine, Cripple Creek, Teller County, Colorado, USA Source: University of Arizona Mineral Museum 13274 Owner: RRUFF Description: Gray metallic prismatic crystal, striated parallel to [001] Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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)
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Krinovite RRUFF ID: R140079 |
Ideal Chemistry: Na4(Mg8Cr3+4)O4[Si12O36] |
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Locality: Wichita County Meteorite, Wichita County, Texas, USA Source: Rock Currier Owner: RRUFF Description: Broken pieces of green crystals. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Sapphirine (12) ] | ||||||||||
)
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Kristiansenite RRUFF ID: R090022 |
Ideal Chemistry: Ca4Sc2Sn4+2(Si2O7)2(Si2O6OH)2 |
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Locality: Heftetjern, Tørdal, Telemark, Norway Source: William W. Pinch Owner: RRUFF Description: Pale tan colored, tapering prismatic crystals, associated with albite and quartz Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Kristiansenite (1) ] | ||||||||||
)
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Kröhnkite RRUFF ID: R050604 |
Ideal Chemistry: Na2Cu2+(S6+O4)2·2H2O |
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Locality: Chuquicamata, Chile Source: University of Arizona Mineral Museum Owner: RRUFF Description: Green elongated prismatic crystals with orange natrojarosite and minor colorless leightonite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Roselite (18) ] | ||||||||||
| Quick search: [ All Kröhnkite samples (2) ] | ||||||||||
)
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Kröhnkite RRUFF ID: R060111 |
Ideal Chemistry: Na2Cu2+(S6+O4)2·2H2O |
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Locality: Chuquicamata, Chile Source: University of Arizona Mineral Museum 275 Owner: RRUFF Description: Green bladed crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Roselite (18) ] | ||||||||||
| Quick search: [ All Kröhnkite samples (2) ] | ||||||||||
)
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Krupkaite RRUFF ID: R061038 |
Ideal Chemistry: Cu1+Pb2+Bi3+3S2-6 |
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Locality: Vysna Boca, Slovakia Source: Michael Scott S101153 Owner: RRUFF Description: Silver metallic stringers associated with orange siderite and white quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Meneghinite (7) ] | ||||||||||
| Quick search: [ All Krupkaite samples (3) ] | ||||||||||
)
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Krupkaite RRUFF ID: R070310 |
Ideal Chemistry: Cu1+Pb2+Bi3+3S2-6 |
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Locality: MaGruder Peak Quadrangle, near Goldfield, Esmerelda County, Nevada, USA Source: James Shigley Owner: RRUFF Description: Acicular metallic golden crystal with blue iridescence, embedded in quartz. Space group determined in order to help with the identification. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Meneghinite (7) ] | ||||||||||
| Quick search: [ All Krupkaite samples (3) ] | ||||||||||
)
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Krupkaite RRUFF ID: R100098 |
Ideal Chemistry: Cu1+Pb2+Bi3+3S2-6 |
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Locality: Julcani District, Peru Source: Peter Megaw Owner: RRUFF Description: Bladed steel-gray metallic crystals with blue irridescence Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Meneghinite (7) ] | ||||||||||
| Quick search: [ All Krupkaite samples (3) ] | ||||||||||
)
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Krut'aite RRUFF ID: R060381 |
Ideal Chemistry: Cu2+(Se2)2- |
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Locality: El Dragon mine, Potosi, Bolivia Source: Michael Scott S100093 Owner: RRUFF Description: Grey metallic octahedra Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Pyrite (16) ] | ||||||||||
)
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Kryzhanovskite RRUFF ID: R130050 |
Ideal Chemistry: (Fe3+,Mn2+)3(PO4)2(OH,H2O)3 |
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Locality: Bull Moose mine, Custer County, South Dakota, USA Source: Don Doell Owner: RRUFF Description: Light brown massive Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Reddingite (9) ] | ||||||||||
| Quick search: [ All Kryzhanovskite samples (3) ] | ||||||||||
)
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Kryzhanovskite RRUFF ID: R130691 |
Ideal Chemistry: (Fe3+,Mn2+)3(PO4)2(OH,H2O)3 |
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Locality: Rapid Creek, Dawson Mining District, Yukon Territory, Canada Source: Rob Lavinsky Owner: RRUFF Description: Euhedral reddish brown crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Reddingite (9) ] | ||||||||||
| Quick search: [ All Kryzhanovskite samples (3) ] | ||||||||||
)
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Kryzhanovskite RRUFF ID: R140111 |
Ideal Chemistry: (Fe3+,Mn2+)3(PO4)2(OH,H2O)3 |
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Locality: Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany Source: Rock Currier Owner: RRUFF Description: Deep red vitreous, almost black, blocky crystals and massive. Golden-brown, bronze on cleavage surfaces Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Reddingite (9) ] | ||||||||||
| Quick search: [ All Kryzhanovskite samples (3) ] | ||||||||||
)
|
Ktenasite RRUFF ID: R070081 |
Ideal Chemistry: Zn2+Cu2+4(S6+O4)2(OH)6·6H2O |
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Locality: Amot, Modum, Norway Source: Bob Jenkins Owner: RRUFF Description: Radial aggregates of bluish green tabular crystals, associated with colorless tabular gypsum crystals. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Groups: [ Ktenasite (6) ] [ Devilline (4) ] | ||||||||||
| Quick search: [ All Ktenasite samples (2) ] | ||||||||||
)
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Ktenasite RRUFF ID: R090002 |
Ideal Chemistry: Zn2+Cu2+4(S6+O4)2(OH)6·6H2O |
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Locality: Oh mine, Gila County, Arizona, USA Source: Michael Scott S100183 Owner: RRUFF Description: Radial aggregates of bluish green tabular crystals associated with serpierite, R060475 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Groups: [ Ktenasite (6) ] [ Devilline (4) ] | ||||||||||
| Quick search: [ All Ktenasite samples (2) ] | ||||||||||
)
|
Kukharenkoite-(Ce) RRUFF ID: R110190 |
Ideal Chemistry: Ba2Ce3+(CO3)3F |
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Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Monteregie, Quebec, Canada Source: Donald Doell Owner: RRUFF Description: Radial sprays of white bladed crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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)
|
Kuksite RRUFF ID: R110039 |
Ideal Chemistry: Pb2+3Zn2+3Te6+O6(PO4)2 |
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Locality: Blue Bell claims, Baker, San Bernardino County, California, USA Source: Brent Thorne Owner: RRUFF Description: Pale-green short-primatic hexagonal crystals, associated with colorless elongated tabular hemimorphite and yellow to brown-yellow andradite. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Dugganite (2) ] | ||||||||||
)
|
Kulanite RRUFF ID: R060240 |
Ideal Chemistry: BaFe2+2Al2(PO4)3(OH)3 |
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Locality: Big Fish River, Yukon Territory, Canada Source: Rock Currier Owner: RRUFF Description: Dark green tabular crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Bjarebyite (5) ] | ||||||||||
)
|
Kunatite RRUFF ID: R120055 |
Ideal Chemistry: Cu2+Fe3+2(PO4)2(OH)2·4H2O |
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Locality: Krasno, Horni Slakov, Bohemia, Czech Republic Source: William W Pinch Owner: RRUFF Description: Spherical aggregates of pale green acicular crystals on quartz, associated with triplite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Arthurite (7) ] | ||||||||||
)
|
Kupletskite RRUFF ID: R110176 |
Ideal Chemistry: K2NaMn2+7Ti4+2(Si4O12)2O2(OH)4F |
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Locality: Mont St-Hilaire, Quebec, Canada Source: Donald Doell Owner: RRUFF Description: Dark brown micaceous associated with orthoclase and aegirine Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Groups: [ astrophyllite (11) ] [ Kupletskite (2) ] | ||||||||||
)
|
Kupletskite-(Cs) RRUFF ID: R060929 |
Ideal Chemistry: Cs1+2NaMn2+7Ti4+2(Si4O12)2O2(OH)4F |
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Locality: Dara-i-Pioz, Garm region, Tajikistan Source: Michael Scott S100984 Owner: RRUFF Description: Brownish yellow foliated sample associated with white quartz and dark aegirine. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Groups: [ astrophyllite (11) ] [ Kupletskite (2) ] | ||||||||||
)
|
Kurchatovite RRUFF ID: R130074 |
Ideal Chemistry: CaMgB2O5 |
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|
Locality: Solongo B deposit, Vitim Plateau, Buriatia Republic, Transbaikalia, Eastern-Siberian Region, Russia Source: Igor Pekov Owner: RRUFF Description: Pale gray crystals with good cleavage, associated with white frolovite and yellow wurtzite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
|
Kurnakovite RRUFF ID: R050105 |
Ideal Chemistry: MgB3O3(OH)5·5H2O |
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Locality: Kramer deposit, Boron, Kern County, California, USA Source: Rock Currier Owner: RRUFF Description: Tabular single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Kurnakovite samples (2) ] | ||||||||||
)
|
Kurnakovite RRUFF ID: R050393 |
Ideal Chemistry: MgB3O3(OH)5·5H2O |
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Locality: Kramer deposit, Boron, Kern County, California, USA Source: Marcus Origlieri Owner: RRUFF Description: Colorless to gray cleavage fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Kurnakovite samples (2) ] | ||||||||||
)
|
Kusachiite RRUFF ID: R220013 |
Ideal Chemistry: Cu2+Bi3+2O4 |
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|
Locality: Fuka mine, Takahashi City, Okayama Prefecture, Japan Source: Joan Rosell Riba Owner: Joan Rosell Riba Description: Globular aggregates of black, short prismatic crystals, associated with calcite and cahnite Status: The identification of this mineral has been determined by Raman spectroscopy and chemical analysis |
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| Mineral Group: [ Minium (6) ] | ||||||||||
)
|
Kushiroite RRUFF ID: R110134 |
Ideal Chemistry: CaAl(AlSi)O6 |
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Locality: Synthetic, at 1400 C, 20 kb, 24 hours, and 164 hours Source: Roberta Fleming RM010K/RM010H Owner: RRUFF Description: White pressed fragment Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
)
|
Kutnohorite RRUFF ID: R060473 |
Ideal Chemistry: CaMn2+(CO3)2 |
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Locality: N'Chwaning II mine, Kalahari manganese field, northern Cape Province, Republic of South Africa Source: Michael Scott S100370 Owner: RRUFF Description: Aggregate of parallel pink colored acicular crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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)
|
Kuzmenkoite-Mn RRUFF ID: R070662 |
Ideal Chemistry: K4Mn2+2Ti4+8(Si4O12)4(OH,O)8·10-12H2O |
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Locality: Selsurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Michael Scott S105784 Owner: RRUFF Description: Vitreous yellow prismatic crystals associated with natrolite and clinoenstatite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ labuntsovite (11) ] | ||||||||||
)
|
Kyanite RRUFF ID: R040119 |
Ideal Chemistry: Al2OSiO4 |
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|
Locality: Rutherford County, North Carolina, USA Source: University of Arizona Mineral Museum 13215 Owner: RRUFF Description: Blue bladed crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Kyanite samples (4) ] | ||||||||||
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