 |
RRUFF Home | UA Mineralogy | Caltech Mineralogy | The IMA Mineral List | Login |
|
Welcome to the RRUFF Project website containing an integrated database of Raman spectra, X-ray diffraction and chemistry data for minerals. |
|
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
)
|
Natrochalcite RRUFF ID: R050152 |
Ideal Chemistry: NaCu2+2(S6+O4)2(OH)·H2O |
||||||||
|
Locality: Fortuna mine, Baquedano, Chile Source: Jim McGlasson Owner: RRUFF Description: Bright emerald green pyramidal crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Natrochalcite (13) ] | ||||||||||
)
|
Natrodufrénite RRUFF ID: R070599 |
Ideal Chemistry: NaFe2+Fe3+5(PO4)4(OH)6·2H2O |
||||||||
|
Locality: Hout Bay, Cape of Good Hope Province, South Africa Source: James Shigley Owner: RRUFF Description: Sheaflike, dark brown to red-brown aggregates Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Dufrenite (2) ] | ||||||||||
)
|
Natrojarosite RRUFF ID: R050471 |
Ideal Chemistry: NaFe3+3(S6+O4)2(OH)6 |
||||||||
|
Locality: Bristol mine, Pioche, Lincoln County, Nevada, USA Source: Marcus Origlieri Owner: RRUFF Description: Tan colored, fine-grained massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
| Quick search: [ All Natrojarosite samples (3) ] | ||||||||||
)
|
Natrojarosite RRUFF ID: R050289 |
Ideal Chemistry: NaFe3+3(S6+O4)2(OH)6 |
||||||||
|
Locality: Bristol mine, Pioche, Lincoln County, Nevada, USA Source: Marcus Origlieri Owner: RRUFF Description: Mustard-colored massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
| Quick search: [ All Natrojarosite samples (3) ] | ||||||||||
)
|
Natrojarosite RRUFF ID: R080062 |
Ideal Chemistry: NaFe3+3(S6+O4)2(OH)6 |
||||||||
|
Locality: Lavra do Tomé, Galiléja, Minas Gerais, Brazil Source: Luiz Menezes Owner: RRUFF Description: Golden brown rhombohedral crystals associated with colorless to pale purple phosphosiderite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
| Quick search: [ All Natrojarosite samples (3) ] | ||||||||||
)
|
Natrolemoynite RRUFF ID: R060958 |
Ideal Chemistry: Na4Zr4+2Si10O26·9H2O |
||||||||
|
Locality: Mont St. Hilaire, Quebec, Canada Source: Michael Scott S101452 Owner: RRUFF Description: Radial aggregates of colorless bladed crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Lemoynite (2) ] | ||||||||||
)
|
Natrolite RRUFF ID: R040102 |
Ideal Chemistry: Na2(Si3Al2)O10·2H2O |
||||||||
|
Locality: Ross' Quarry, Northland, New Zealand Source: University of Arizona Mineral Museum 12862 Owner: RRUFF Description: Mass of colorless acicular crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Natrolite (13) ] | ||||||||||
| Quick search: [ All Natrolite samples (6) ] | ||||||||||
)
|
Natrolite RRUFF ID: R040112 |
Ideal Chemistry: Na2(Si3Al2)O10·2H2O |
||||||||
|
Locality: Ice River Alkaline Complex, Moose Creek Valley, Yoho National Park, British Columbia, Canada Source: National Museums of Canada 061565 Owner: RRUFF Description: Colorless pseudohexagonal prism Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Natrolite (13) ] | ||||||||||
| Quick search: [ All Natrolite samples (6) ] | ||||||||||
)
|
Natrolite RRUFF ID: R040022 |
Ideal Chemistry: Na2(Si3Al2)O10·2H2O |
||||||||
|
Locality: Patterson, Passaic County, New Jersey, USA Source: University of Arizona Mineral Museum 2108 Owner: RRUFF Description: White fine fibrous mass Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Natrolite (13) ] | ||||||||||
| Quick search: [ All Natrolite samples (6) ] | ||||||||||
)
|
Natrolite RRUFF ID: R050589 |
Ideal Chemistry: Na2(Si3Al2)O10·2H2O |
||||||||
|
Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Bob Downs Owner: RRUFF Description: White to colorless prismatic crystals associated with aegirine Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Natrolite (13) ] | ||||||||||
| Quick search: [ All Natrolite samples (6) ] | ||||||||||
)
|
Natrolite RRUFF ID: R060561 |
Ideal Chemistry: Na2(Si3Al2)O10·2H2O |
||||||||
|
Locality: California, USA Source: Gemological Institute of America 13 Owner: RRUFF Description: White fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Natrolite (13) ] | ||||||||||
| Quick search: [ All Natrolite samples (6) ] | ||||||||||
)
|
Natrolite RRUFF ID: R120124 |
Ideal Chemistry: Na2(Si3Al2)O10·2H2O |
||||||||
|
Locality: Sagasen, Telemark, Norway Source: Marcus Origlieri Owner: RRUFF Description: Colorless transparent prisms associated with böhmite R120123 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ Natrolite (13) ] | ||||||||||
| Quick search: [ All Natrolite samples (6) ] | ||||||||||
)
|
Natropalermoite RRUFF ID: R130092 |
Ideal Chemistry: Na2SrAl4(PO4)4(OH)4 |
||||||||
|
Locality: Palermo No. 1 mine, Groton, New Hampshire, USA Source: Benjamin N. Schumer Owner: RRUFF Description: Colorless, prismatic, striated, elongated along [100], visually indistinguishable from palermoite (R120141). Associated with grey to colorless bladed eosphorite, groups of acicular childrenite, quartz, goethite and lefontite R140539. Type sample Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Carminite (8) ] | ||||||||||
)
|
Natrosilite RRUFF ID: R060855 |
Ideal Chemistry: Na2Si2O5 |
||||||||
|
Locality: Kedgkverpahk Mountain, Kovoeko Massif, Kola, Russia Source: Michael Scott S100987 Owner: RRUFF Description: Colorless platy fragment Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
)
|
Naujakasite RRUFF ID: R060975 |
Ideal Chemistry: Na6Fe2+Al4Si8O26 |
||||||||
|
Locality: Lille Elv Plateau, Kangerdluarssuk, Ilimaussaq intrusion, Greenland Source: Michael Scott S101487 Owner: RRUFF Description: Gray colored plates associated with black arfvedsonite Status: The identification of this mineral is not yet confirmed. |
||||||||||
)
|
Naumannite RRUFF ID: R070505 |
Ideal Chemistry: Ag1+2Se2- |
||||||||
|
Locality: DeLamar mine, Silver City District, Owyhee County, Idaho, USA Source: James Shigley Owner: RRUFF Description: Dark gray metallic massive Status: The identification of this mineral is not yet confirmed. |
||||||||||
| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
)
|
Nchwaningite RRUFF ID: R140275 |
Ideal Chemistry: Mn2+2SiO3(OH)2·H2O |
||||||||
|
Locality: N'Chwaning mine, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa Source: Rock Currier Owner: RRUFF Description: Micro brown tufts Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
)
|
Nealite RRUFF ID: R060774 |
Ideal Chemistry: Pb2+4Fe2+(As3+O3)2Cl4·2H2O |
||||||||
|
Locality: Oxygon, Laurion, Greece Source: Michael Scott S101105 Owner: RRUFF Description: Reddish brown acicular crystals coating a vug Status: The identification of this mineral is not yet confirmed. |
||||||||||
)
|
Neighborite RRUFF ID: R080108 |
Ideal Chemistry: NaMgF3 |
||||||||
|
Locality: Mont Saint-Hilaire, Quebec, Canada Source: William W. Pinch Owner: RRUFF Description: Translucent brown zoned pseudocubic crystals associated with calcite and clinoenstatite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ Perovskite (44) ] | ||||||||||
)
|
Nekoite RRUFF ID: R070475 |
Ideal Chemistry: Ca3Si6O15·7H2O |
||||||||
|
Locality: LaCotita mine, Inca de Oro, Chile Source: Bob Jenkins Owner: RRUFF Description: Globular to radial aggregates of thin white acicular crystals associated with colorless apophyllite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
)
|
Nelenite RRUFF ID: R120148 |
Ideal Chemistry: Mn2+16As3+3Si12O36(OH)17 |
||||||||
|
Locality: Huanggang mine, Inner Mongolia, China Source: James Zigras Owner: RRUFF Description: Stacks of brown hexagonal plates, associated with sphalerite and calcite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Groups: [ Pyrosmalite (9) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Nelenite samples (2) ] | ||||||||||
)
|
Nelenite RRUFF ID: R120150 |
Ideal Chemistry: Mn2+16As3+3Si12O36(OH)17 |
||||||||
|
Locality: Trotter mine, Franklin, New Jersey, USA Source: Rock Currier Owner: RRUFF Description: Massive dark brown to pale brown grains Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Groups: [ Pyrosmalite (9) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Nelenite samples (2) ] | ||||||||||
)
|
Neltnerite RRUFF ID: R060726 |
Ideal Chemistry: CaMn3+6O8(SiO4) |
||||||||
|
Locality: Manganese Creek, Keweenaw County, Michigan, USA Source: Bob Jenkins Owner: RRUFF Description: Black submetallic gangue Status: The identification of this mineral is not yet confirmed. |
||||||||||
| Mineral Group: [ Braunite (5) ] | ||||||||||
)
|
Nenadkevichite RRUFF ID: R070610 |
Ideal Chemistry: (Na,◻)8Nb5+4(Si4O12)2(O,OH)4·8H2O |
||||||||
|
Locality: Desourdy Quarry, Mount Saint Hilaire, Rouville County, Quebec, Canada Source: James Shigley Owner: RRUFF Description: Cluster of pale-pink translucent tabular pseudohexagonal crystals, associated with analcime Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ labuntsovite (11) ] | ||||||||||
)
|
Nepheline RRUFF ID: R040025 |
Ideal Chemistry: Na3K(Al4Si4O16) |
||||||||
|
Locality: Bancroft, Ontario, Canada Source: University of Arizona Mineral Museum 6304 Owner: RRUFF Description: White massive mixture of 88% nepheline, 12% cancrinite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Groups: [ Tridymite (7) ] [ Nepheline (6) ] | ||||||||||
| Quick search: [ All Nepheline samples (3) ] | ||||||||||
)
|
Nepheline RRUFF ID: R060581 |
Ideal Chemistry: Na3K(Al4Si4O16) |
||||||||
|
Locality: Capo di Bova, Via Appia Antica, Rome, Italy Source: Michael Scott S100810 Owner: RRUFF Description: Colorless hexagonal prisms Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Groups: [ Tridymite (7) ] [ Nepheline (6) ] | ||||||||||
| Quick search: [ All Nepheline samples (3) ] | ||||||||||
)
|
Nepheline RRUFF ID: R090059 |
Ideal Chemistry: Na3K(Al4Si4O16) |
||||||||
|
Locality: Lajuar Madan, Sar-e-Sang District, Badakhshan, Afghanistan Source: Dudley Blauwet Owner: RRUFF Description: Colorless blocky crystals coated with colorless sodalite with electric blue inclusions, on a marble matrix Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Groups: [ Tridymite (7) ] [ Nepheline (6) ] | ||||||||||
| Quick search: [ All Nepheline samples (3) ] | ||||||||||
)
|
Népouite RRUFF ID: R120106 |
Ideal Chemistry: Ni2+3Si2O5(OH)4 |
||||||||
|
Locality: Nepoui mine, New Caledonia Source: Bill & Sandy Bowman Owner: RRUFF Description: Green fine-grained massive associated with quartz Status: The identification of this mineral is not yet confirmed. |
||||||||||
| Mineral Groups: [ serpentine (12) ] [ Clay (86) ] | ||||||||||
)
|
Neptunite RRUFF ID: R060628 |
Ideal Chemistry: KNa2LiFe2+2Ti4+2Si8O24 |
||||||||
|
Locality: California, USA Source: Gemological Institute of America 02 Owner: RRUFF Description: Black gemstone fragment Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Neptunite (4) ] | ||||||||||
| Quick search: [ All Neptunite samples (2) ] | ||||||||||
)
|
Neptunite RRUFF ID: R060746 |
Ideal Chemistry: KNa2LiFe2+2Ti4+2Si8O24 |
||||||||
|
Locality: San Benito Mountains, San Benito County, California, USA Source: California Institute of Technology 12952 Owner: RRUFF Description: Deep red-black fragment of a prismatic single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Neptunite (4) ] | ||||||||||
| Quick search: [ All Neptunite samples (2) ] | ||||||||||
)
|
Nesquehonite RRUFF ID: R050639 |
Ideal Chemistry: MgCO3·3H2O |
||||||||
|
Locality: Nesquehoning, Pennsylvania, USA Source: University of Arizona Mineral Museum 2903 Owner: RRUFF Description: White to colorless bladed crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Quick search: [ All Nesquehonite samples (2) ] | ||||||||||
)
|
Nesquehonite RRUFF ID: R070764 |
Ideal Chemistry: MgCO3·3H2O |
||||||||
|
Locality: Tucson, Arizona, USA from the interior of a rotting saguaro cactus Source: Hexiong Yang Owner: RRUFF Description: Aggregates of light brown platy crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Quick search: [ All Nesquehonite samples (2) ] | ||||||||||
)
|
Nevadaite RRUFF ID: R060775 |
Ideal Chemistry: (Cu2+,◻,Al,V3+)6[Al8(PO4)8F8](OH)2·22H2O |
||||||||
|
Locality: Gold Quarry mine, Eueka County, Nevada, USA Source: Michael Scott S101111 Owner: RRUFF Description: Spherical aggregates of blue tabular crystals Status: The identification of this mineral is not yet confirmed. |
||||||||||
)
|
Newberyite RRUFF ID: R050513 |
Ideal Chemistry: Mg(PO3OH)·3H2O |
||||||||
|
Locality: Australia Source: American Museum of Natural History 41793 Owner: RRUFF Description: An aggregate of beige fragments Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
)
|
Neyite RRUFF ID: R100116 |
Ideal Chemistry: Ag1+2Cu1+6Pb2+25Bi3+26S2-68 |
||||||||
|
Locality: Southwest end of pit, British Columbia Molybdenum mine, Kitsault, British Columbia, Canada Source: Robert Woodside Owner: RRUFF Description: Unconsolidated lead-gray elongated crystals with stepped surfaces Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ Neyite (1) ] | ||||||||||
)
|
Nickelalumite RRUFF ID: R060573 |
Ideal Chemistry: Ni2+Al4(S6+O4)(OH)12(H2O)3 |
||||||||
|
Locality: Jomde mine, San Juan County, Utah, USA Source: Michael Scott S100802 Owner: RRUFF Description: Aggregates of blue spherulites Status: The identification of this mineral is not yet confirmed. |
||||||||||
| Mineral Group: [ Chalcoalumite (4) ] | ||||||||||
)
|
Nickelhexahydrite RRUFF ID: R060596 |
Ideal Chemistry: Ni2+S6+O4·6H2O |
||||||||
|
Locality: Gorner Glacier, Monte Rosa Massif, Zermatt, Matt Valley, Wallis, Switzerland Source: Michael Scott S100797 Owner: RRUFF Description: Pale blue granular aggregate Status: The identification of this mineral is not yet confirmed. |
||||||||||
| Mineral Group: [ Hexahydrite (4) ] | ||||||||||
)
|
Nickeline RRUFF ID: R060121 |
Ideal Chemistry: NiAs |
||||||||
|
Locality: Yellowknife, Great Slave Lake, Canada Source: University of Arizona Mineral Museum 3636 Owner: RRUFF Description: Bronze colored massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Nickeline (5) ] | ||||||||||
| Quick search: [ All Nickeline samples (2) ] | ||||||||||
)
|
Nickeline RRUFF ID: R060906 |
Ideal Chemistry: NiAs |
||||||||
|
Locality: Moose Horn mine, Timiskaming district, Ontario, Canada Source: Royal Ontario Museum M8518 Owner: RRUFF Description: Massive metallic lustered tarnished to dull copper color Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Nickeline (5) ] | ||||||||||
| Quick search: [ All Nickeline samples (2) ] | ||||||||||
)
|
Nickelphosphide RRUFF ID: R070134 |
Ideal Chemistry: Ni3P |
||||||||
|
Locality: northwest Africa 1054 meteorite, Morocco Source: Michael Scott S105082 Owner: RRUFF Description: Black sliver of a phase, associated with kamacite and diopside Status: The identification of this mineral has been confirmed only by chemical analysis |
||||||||||
)
|
Nickelskutterudite RRUFF ID: R061007 |
Ideal Chemistry: (Ni4+,Co3+,Fe3+)As3 |
||||||||
|
Locality: Hasserode, Harz, Germany Source: Michael Scott S101444 Owner: RRUFF Description: Aggregate of silver-gray cubes, some tarnished to a brassy color Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Groups: [ Skutterudite (6) ] [ Perovskite (44) ] | ||||||||||
| Quick search: [ All Nickelskutterudite samples (3) ] | ||||||||||
)
|
Nickelskutterudite RRUFF ID: R100194 |
Ideal Chemistry: (Ni4+,Co3+,Fe3+)As3 |
||||||||
|
Locality: Schneeberg, Saxony, Germany Source: University of Arizona Mineral Museum 1197 Owner: RRUFF Description: Silver euhedral twinned crystals, roughly dodecahedral Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Groups: [ Skutterudite (6) ] [ Perovskite (44) ] | ||||||||||
| Quick search: [ All Nickelskutterudite samples (3) ] | ||||||||||
)
|
Nickelskutterudite RRUFF ID: R100196 |
Ideal Chemistry: (Ni4+,Co3+,Fe3+)As3 |
||||||||
|
Locality: Alhambra mine, Burro Mountains, Grant County, New Mexico, USA Source: Ron Gibbs Owner: RRUFF Description: Silver dodecahedral crystals, dissolved out of calcite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Groups: [ Skutterudite (6) ] [ Perovskite (44) ] | ||||||||||
| Quick search: [ All Nickelskutterudite samples (3) ] | ||||||||||
)
|
Nickeltalmessite RRUFF ID: R090023 |
Ideal Chemistry: Ca2Ni2+(As5+O4)2·2H2O |
||||||||
|
Locality: Ait Ahmane, Bou Azzer, Morocco Source: Wiiliam W. Pinch Owner: RRUFF Description: Small pale green to colorless acicular crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ fairfieldite (16) ] | ||||||||||
)
|
Nierite RRUFF ID: R120128 |
Ideal Chemistry: Si3N4 |
||||||||
|
Locality: Synthetic Source: UBE America Inc. Owner: RRUFF Description: White powder Status: The identification of this mineral is not yet confirmed. |
||||||||||
)
|
Nifontovite RRUFF ID: R060685 |
Ideal Chemistry: Ca3[BO(OH)2]6·2H2O |
||||||||
|
Locality: Fuka mine, Okayama Prefecture, Japan Source: Michael Scott S100791 Owner: RRUFF Description: Colorless prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Quick search: [ All Nifontovite samples (2) ] | ||||||||||
)
|
Nifontovite RRUFF ID: R080138 |
Ideal Chemistry: Ca3[BO(OH)2]6·2H2O |
||||||||
|
Locality: Charcas, San Luis Potosi, Mexico Source: Marcus Origlieri Owner: RRUFF Description: Colorless prismatic crystal Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Quick search: [ All Nifontovite samples (2) ] | ||||||||||
)
|
Niksergievite RRUFF ID: R060894 |
Ideal Chemistry: Ba2Al3(Si,Al)4O10(CO3)(OH)6·nH2O |
||||||||
|
Locality: Tekeli mine, Karatau, Kazakhstan Source: Michael Scott S100967 Owner: RRUFF Description: Pale blue to colorless lamellar aggregate Status: The identification of this mineral is not yet confirmed. |
||||||||||
)
|
Nioboaeschynite-(Ce) RRUFF ID: R110056 |
Ideal Chemistry: (Ce3+,Ca)(Nb5+,Ti4+)2(O,OH)6 |
||||||||
|
Locality: Upper Fir carbonatite, Kamloops mining division, British Columbia, Canada Source: Don Doell Owner: RRUFF Description: Black platy crystals and cleavages, massive Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Aeschynite (8) ] | ||||||||||
)
|
Nioboaeschynite-(Y) RRUFF ID: R110140 |
Ideal Chemistry: (Y,Ca,Th4+,Fe3+)(Nb5+,Ti4+,Ta5+)2(O,OH)6 |
||||||||
|
Locality: Quadeville, Lyndoch Township, Renfrew County, Ontario, Canada Source: Donald M Doell Owner: RRUFF Description: Dark reddish-brown fragment - metamict Status: The identification of this mineral is not yet confirmed. |
||||||||||
| Mineral Group: [ Aeschynite (8) ] | ||||||||||
)
|
Niobophyllite RRUFF ID: R110048 |
Ideal Chemistry: K2NaFe2+7(Nb5+,Ti4+)2(Si4O12)2O2(OH)4(O,F) |
||||||||
|
Locality: Mount Malosa, Zomba District, Malawi Source: Donald M Doell Owner: RRUFF Description: Brown tabular platy crystals associated with quartz Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Groups: [ astrophyllite (11) ] [ Astrophyllite (5) ] | ||||||||||
)
|
Niocalite RRUFF ID: R070150 |
Ideal Chemistry: Ca7Nb5+(Si2O7)2O3F |
||||||||
|
Locality: MolyCorp Trench, Oka, Deux-Montagnes County, Quebec, Canada Source: James Shigley Owner: RRUFF Description: Yellow prismatic crystals on calcite matrix Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Wohlerite (11) ] | ||||||||||
)
|
Nissonite RRUFF ID: R100068 |
Ideal Chemistry: Cu2+2Mg2(PO4)2(OH)2·5H2O |
||||||||
|
Locality: Boss mine, Goodsprings district, Clark County, Nevada, USA Source: Bob Jenkins Owner: RRUFF Description: Pale blue bladed crystals associated with green malachite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
)
|
Niter RRUFF ID: R090001 |
Ideal Chemistry: KN5+O3 |
||||||||
|
Locality: Searcy County, Arkansas, USA Source: James Shigley Owner: RRUFF Description: Unconsolidated, granular fragments exhibiting a sandy color Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
)
|
Nitratine RRUFF ID: R050394 |
Ideal Chemistry: NaN5+O3 |
||||||||
|
Locality: Tarapaca, Chile Source: Mark Candee Owner: RRUFF Description: Colorless coarse powder Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Calcite (36) ] | ||||||||||
| Quick search: [ All Nitratine samples (2) ] | ||||||||||
)
|
Nitratine RRUFF ID: R050658 |
Ideal Chemistry: NaN5+O3 |
||||||||
|
Locality: Peru Source: University of Arizona Mineral Museum 2492 Owner: RRUFF Description: Group of colorless crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Calcite (36) ] | ||||||||||
| Quick search: [ All Nitratine samples (2) ] | ||||||||||
)
|
Nitrobarite RRUFF ID: R060622 |
Ideal Chemistry: Ba(N5+O3)2 |
||||||||
|
Locality: Hüttenberg, Kärnten, Austria Source: Michael Scott S100831 Owner: RRUFF Description: Colorless distorted octahedra Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
)
|
Nitrocalcite RRUFF ID: R120047 |
Ideal Chemistry: Ca(N5+O3)2·4H2O |
||||||||
|
Locality: Christmas mine, Gila County, Arizona, USA Source: Bob Jenkins Owner: RRUFF Description: White to colorless needles Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
)
|
Nobleite RRUFF ID: R060847 |
Ideal Chemistry: CaB6O9(OH)2·3H2O |
||||||||
|
Locality: Hard Scramble claim, Death Valley USA Source: Michael Scott S100900 Owner: RRUFF Description: Colorless platy crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
|
Nontronite RRUFF ID: X050120 |
Ideal Chemistry: Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O |
|||||||||
|
Locality: Garfield, near Spokane, Washington Source: CIT H-33a Owner: Caltech Description: Status: The identification of this mineral is not yet confirmed. |
||||||||||
| Mineral Groups: [ Clay (86) ] [ Smectite-vermiculite (7) ] | ||||||||||
| Quick search: [ All Nontronite samples (3) ] | ||||||||||
|
Nontronite RRUFF ID: X050121 |
Ideal Chemistry: Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O |
|||||||||
|
Locality: Mineto, near Spokane, Washington, USA Source: CIT H-33b Owner: Caltech Description: Status: The identification of this mineral is not yet confirmed. |
||||||||||
| Mineral Groups: [ Clay (86) ] [ Smectite-vermiculite (7) ] | ||||||||||
| Quick search: [ All Nontronite samples (3) ] | ||||||||||
)
|
Nontronite RRUFF ID: R070286 |
Ideal Chemistry: Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O |
||||||||
|
Locality: Andreasberg, Sachsen, Germany Source: Michael Scott S103144 Owner: RRUFF Description: Green granular massive mixed with quartz Status: The identification of this mineral has been confirmed only by chemical analysis |
||||||||||
| Mineral Groups: [ Clay (86) ] [ Smectite-vermiculite (7) ] | ||||||||||
| Quick search: [ All Nontronite samples (3) ] | ||||||||||
)
|
Norbergite RRUFF ID: R050280 |
Ideal Chemistry: Mg3SiO4F2 |
||||||||
|
Locality: Sterling mine, Ogdensburg, New Jersey, USA Source: Marcus Origlieri Owner: RRUFF Description: Brownish-orange granular Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Humite (21) ] | ||||||||||
)
|
Nordenskiöldine RRUFF ID: R061079 |
Ideal Chemistry: CaSn4+(BO3)2 |
||||||||
|
Locality: MW Claim, Cassiar Mountains, Yukon, Canada Source: Lloyd Twaites LT 1432 Owner: RRUFF Description: Colorless aggregates of tabular crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Quick search: [ All Nordenskiöldine samples (2) ] | ||||||||||
)
|
Nordenskiöldine RRUFF ID: R130017 |
Ideal Chemistry: CaSn4+(BO3)2 |
||||||||
|
Locality: Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA Source: Robert Lavinsky Owner: RRUFF Description: Colorless to tan sheaf, associated with diopside, vesuvianite, and hulsite, R130016 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Quick search: [ All Nordenskiöldine samples (2) ] | ||||||||||
)
|
Nordite-(Ce) RRUFF ID: R130530 |
Ideal Chemistry: Na3Sr2+Ce3+Zn2+Si6O17 |
||||||||
|
Locality: Karnasurt Mt., Lovosero Massif, Kola Peninsula, Russia Source: Rock Currier Owner: RRUFF Description: Pale brownish tabular crystals in rosette-like aggregates, associated with ussingite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Nordite (5) ] | ||||||||||
)
|
Nordite-(La) RRUFF ID: R140310 |
Ideal Chemistry: Na3Sr2+La3+Zn2+Si6O17 |
||||||||
|
Locality: Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Rock Currier Owner: RRUFF Description: Colorless when thin, grey when thick, with good cleavage Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Nordite (5) ] | ||||||||||
)
|
Nordstrandite RRUFF ID: R050592 |
Ideal Chemistry: Al(OH)3 |
||||||||
|
Locality: Cerro Sapo, Cochabamba Department, Bolivia Source: Marcus Origlieri Owner: RRUFF Description: Single crystals as colorless radiating clusters and tan thick tabular crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Quick search: [ All Nordstrandite samples (2) ] | ||||||||||
)
|
Nordstrandite RRUFF ID: R130093 |
Ideal Chemistry: Al(OH)3 |
||||||||
|
Locality: Mont St. Hilaire, Quebec, Canada Source: Donald Doell Owner: RRUFF Description: Aggregates of colorless to white tabular crystals, associated with white natrolite, apatite, dark prismatic aegirine and annite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Quick search: [ All Nordstrandite samples (2) ] | ||||||||||
)
|
Normandite RRUFF ID: R120066 |
Ideal Chemistry: Na2Ca2(Mn2+,Fe2+)2(Ti4+,Nb5+,Zr4+)2(Si2O7)2O2F2 |
||||||||
|
Locality: Partomchorr Mt., Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Donald Doell Owner: RRUFF Description: Radiating aggregate of brown bladed crystals, twinned around (001) Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ Wohlerite (11) ] | ||||||||||
)
|
Norrishite RRUFF ID: R060368 |
Ideal Chemistry: KLiMn3+2Si4O10O2 |
||||||||
|
Locality: Hoskins mine, Grenfell, New South Wales, Australia Source: Michael Scott S100262 Owner: RRUFF Description: Black flaky massive Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ mica (50) ] | ||||||||||
| Quick search: [ All Norrishite samples (2) ] | ||||||||||
)
|
Norrishite RRUFF ID: R130089 |
Ideal Chemistry: KLiMn3+2Si4O10O2 |
||||||||
|
Locality: Wessels mine, Kalahari Manganese Field, South Africa Source: Marcus Origlieri Owner: RRUFF Description: Dark brown platy massive cleavages associated with purple sugilite and blue wesselsite. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ mica (50) ] | ||||||||||
| Quick search: [ All Norrishite samples (2) ] | ||||||||||
)
|
Northupite RRUFF ID: R060156 |
Ideal Chemistry: Na3Mg(CO3)2Cl |
||||||||
|
Locality: Searles Lake, San Bernardino County, California, USA Source: Marcus Origlieri Owner: RRUFF Description: Gray octahedron Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Northupite (3) ] | ||||||||||
)
|
Nosean RRUFF ID: R050422 |
Ideal Chemistry: Na8(Si6Al6)O24(S6+O4)·H2O |
||||||||
|
Locality: Laacher See, Mendig Area, Eifel Mountains, Rhineland-Palatinate, Germany Source: Marcus Origlieri Owner: RRUFF Description: Colorless prismatic single crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Groups: [ sodalite (24) ] [ cancrinite-sodalite (37) ] | ||||||||||
)
|
Nuffieldite RRUFF ID: R100113 |
Ideal Chemistry: Pb2+2Cu1+1.4(Pb2+0.4Bi3+0.4Sb3+0.2)Bi3+2S2-7 |
||||||||
|
Locality: British Columbia Molybdenum mine, Kitsault, British Columbia, Canada Source: Robert Woodside Owner: RRUFF Description: Steel-gray striated prismatic crystals in quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Kobellite (9) ] | ||||||||||
| Quick search: [ All Nuffieldite samples (2) ] | ||||||||||
)
|
Nuffieldite RRUFF ID: R110088 |
Ideal Chemistry: Pb2+2Cu1+1.4(Pb2+0.4Bi3+0.4Sb3+0.2)Bi3+2S2-7 |
||||||||
|
Locality: Crabtree quarry, Wake County, North Carolina, USA Source: Mark N. Feinglos Owner: RRUFF Description: Bright silvery-white metallic massive associated with quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Kobellite (9) ] | ||||||||||
| Quick search: [ All Nuffieldite samples (2) ] | ||||||||||
)
|
Obradovicite-KCu RRUFF ID: R100015 |
Ideal Chemistry: [K2(H2O)17Cu2+(H2O)6][Mo6+8As5+2Fe3+3O34(OH)3] |
||||||||
|
Locality: Chuquicamata, Chile Source: Colorado School of Mines 86.496 Owner: Colorado School of Mines Description: Aggregates of pea-green grains associated with quartz and jarosite, type material Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ Betpakdalite (4) ] | ||||||||||
| Quick search: [ All Obradovicite-KCu samples (2) ] | ||||||||||
)
|
Obradovicite-KCu RRUFF ID: R110015 |
Ideal Chemistry: [K2(H2O)17Cu2+(H2O)6][Mo6+8As5+2Fe3+3O34(OH)3] |
||||||||
|
Locality: Chuquicamata, Chile Source: William W Pinch Owner: RRUFF Description: Fine grained lime green coating on quartz Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ Betpakdalite (4) ] | ||||||||||
| Quick search: [ All Obradovicite-KCu samples (2) ] | ||||||||||
)
|
Offretite RRUFF ID: R060767 |
Ideal Chemistry: KCaMg(Si13Al5)O36·15H2O |
||||||||
|
Locality: Vinarice, Kladno, Czech Republic Source: Michael Scott S101247 Owner: RRUFF Description: Colorless elongated hexagonal prisms Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
)
|
Okenite RRUFF ID: R070602 |
Ideal Chemistry: Ca10Si18O46·18H2O |
||||||||
|
Locality: Poona, Maharashtra, India Source: James Shigley Owner: RRUFF Description: Mass of radiating white fibers Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
)
|
Olenite RRUFF ID: R061133 |
Ideal Chemistry: NaAl3Al6(Si6O18)(BO3)3(O3)OH |
||||||||
|
Locality: Uvil'dy, Urals, Siberia, Russia Source: Michael Scott S104229 Owner: RRUFF Description: Blue-gray grains Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ tourmaline (49) ] | ||||||||||
| Quick search: [ All Olenite samples (2) ] | ||||||||||
)
|
Olenite RRUFF ID: R120012 |
Ideal Chemistry: NaAl3Al6(Si6O18)(BO3)3(O3)OH |
||||||||
|
Locality: Curiglia, Val Veddasca, Varese, Italy Source: Marcus Origlieri Owner: RRUFF Description: Pale blue prismatic crystals frozen in quartz and muscovite matrix Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ tourmaline (49) ] | ||||||||||
| Quick search: [ All Olenite samples (2) ] | ||||||||||
|
Oligoclase RRUFF ID: X050122 |
Ideal Chemistry: Na0.9-0.7Ca0.1-0.3Al1.1-1.3Si2.9-2.7O8 |
|||||||||
|
Locality: Kenya Source: G.R. Rossman 680 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
||||||||||
| Mineral Group: [ feldspar (62) ] | ||||||||||
)
|
Olivenite RRUFF ID: R040181 |
Ideal Chemistry: Cu2+2As5+O4(OH) |
||||||||
|
Locality: Majuba Hill, Pershing County, Nevada, USA Source: University of Arizona Mineral Museum 3142 Owner: RRUFF Description: Greenish blue prismatic, untwinned. Structure for this sample reported in Li et al (2008). Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Andalusite (17) ] | ||||||||||
| Quick search: [ All Olivenite samples (2) ] | ||||||||||
)
|
Olivenite RRUFF ID: R050532 |
Ideal Chemistry: Cu2+2As5+O4(OH) |
||||||||
|
Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: University of Arizona Mineral Museum 4809 Owner: RRUFF Description: Dark green prismatic crystals on botryoidal bayldonite R050670 Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Andalusite (17) ] | ||||||||||
| Quick search: [ All Olivenite samples (2) ] | ||||||||||
)
|
Olmiite RRUFF ID: R050144 |
Ideal Chemistry: CaMn2+SiO3(OH)2 |
||||||||
|
Locality: N'Chwaning II mine, Kuruman, South Africa Source: Rock Currier Owner: RRUFF Description: Tan colored prismatic crystals associated with fibrous bultfonteinite, R050088 Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Quick search: [ All Olmiite samples (2) ] | ||||||||||
)
|
Olmiite RRUFF ID: R050177 |
Ideal Chemistry: CaMn2+SiO3(OH)2 |
||||||||
|
Locality: N'Chwaning II mine, Kuruman, South Africa Source: Marcus Origlieri Owner: RRUFF Description: Gray etched crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Quick search: [ All Olmiite samples (2) ] | ||||||||||
)
|
Olsacherite RRUFF ID: R140741 |
Ideal Chemistry: Pb2+2(Se6+O4)(S6+O4) |
||||||||
|
Locality: Virgen De Surumi mine, Pakajake Canyon, Chayanta Province, Potosí Department, Bolivia Source: Rock Currier Owner: RRUFF Description: Sprays of colorless prismatic crystals. This sample was originally labeled as mandarinoite. Status: The identification of this mineral has been confirmed by X-ray diffraction. |
||||||||||
| Mineral Group: [ Baryte (18) ] | ||||||||||
| Quick search: [ All Olsacherite samples (2) ] | ||||||||||
)
|
Olsacherite RRUFF ID: R150099 |
Ideal Chemistry: Pb2+2(Se6+O4)(S6+O4) |
||||||||
|
Locality: El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia Source: Thomas A. Loomis Owner: RRUFF Description: Yellowish sharp acicular crystals, associated with blue chalcomenite, dark blue prismatic chmiederite, and pale yellow molybdomenite Status: The identification of this mineral has been determined only by Raman spectroscopy |
||||||||||
| Mineral Group: [ Baryte (18) ] | ||||||||||
| Quick search: [ All Olsacherite samples (2) ] | ||||||||||
)
|
Olshanskyite RRUFF ID: R150028 |
Ideal Chemistry: Ca2[B3O3(OH)6]OH·3H2O |
||||||||
|
Locality: Shijangshan mine, Jipeng, Chifeng, Inner Mongolia, China Source: Renato and Adriana Pagano Owner: RRUFF Description: Aggregates of colorless prismatic crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Quick search: [ All Olshanskyite samples (2) ] | ||||||||||
)
|
Olshanskyite RRUFF ID: R170043 |
Ideal Chemistry: Ca2[B3O3(OH)6]OH·3H2O |
||||||||
|
Locality: Shijiangshan mine, Linxi, Chifeng, Inner Mongolia, China Source: Mineral Zone Owner: RRUFF Description: White aggregate of prismatic or elongated bladed crystals with striations. Crystals are twinned with a two-fold rotation along [0 -1 1]*. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Quick search: [ All Olshanskyite samples (2) ] | ||||||||||
)
|
Omphacite RRUFF ID: R061129 |
Ideal Chemistry: (Ca,Na)(Mg,Fe2+,Al)Si2O6 |
||||||||
|
Locality: near Occidental, Sonoma County, California, USA Source: Michael Scott S104252 Owner: RRUFF Description: Green granular massive associated with brown grossular and clinochlore Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
||||||||||
| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Omphacite samples (2) ] | ||||||||||
)
|
Omphacite RRUFF ID: R110038 |
Ideal Chemistry: (Ca,Na)(Mg,Fe2+,Al)Si2O6 |
||||||||
|
Locality: Kefalos Hill, Skotini Bay, Galissas, Syros Island, Aegean Sea, Greece Source: William W Pinch Owner: RRUFF Description: Pale green granular crystals associated with fluor-dravite R110031 Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Omphacite samples (2) ] | ||||||||||
)
|
Ondrušite RRUFF ID: R141029 |
Ideal Chemistry: CaCu2+4(As5+O4)2(As5+O3OH)2·10H2O |
||||||||
|
Locality: Svornost mine, Jáchymov, Krušné Hory Mts, Karlovy Vary, Bohemia, Czech Republic Source: William W. Pinch Owner: RRUFF Description: Pale green thin bladed crystals with striations parallel to the elongated direction, associated with quartz Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ Lindackerite (1) ] | ||||||||||
)
|
Oneillite RRUFF ID: R110184 |
Ideal Chemistry: Na15Ca3Mn2+3Fe2+3Zr4+3Nb5+(Si25O73)(O,OH,H2O)3(OH,Cl)2 |
||||||||
|
Locality: Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada Source: Donald Doell Owner: RRUFF Description: Gray or pale-yellow gray massive crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
||||||||||
| Mineral Group: [ eudialyte (13) ] | ||||||||||
)
|
Opal RRUFF ID: R060652 |
Ideal Chemistry: SiO2·nH2O |
||||||||
|
Locality: Ethiopia Source: Gemological Institute of America 23128 Owner: RRUFF Description: Colorless cloudy glassy fragment, variety opal-C Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Amorphous (18) ] | ||||||||||
| Quick search: [ All Opal samples (11) ] | ||||||||||
)
|
Opal RRUFF ID: R060653 |
Ideal Chemistry: SiO2·nH2O |
||||||||
|
Locality: Brazil Source: Gemological Institute of America 4021A Owner: RRUFF Description: Colorless to blue tinted glassy amorphous fragment, variety opal-A Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Amorphous (18) ] | ||||||||||
| Quick search: [ All Opal samples (11) ] | ||||||||||
)
|
Opal RRUFF ID: R060651 |
Ideal Chemistry: SiO2·nH2O |
||||||||
|
Locality: Mexico Source: Gemological Institute of America 4570 Owner: RRUFF Description: Orange-brown glassy fragment, variety is opal-CT, based on its X-ray diffraction pattern Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Amorphous (18) ] | ||||||||||
| Quick search: [ All Opal samples (11) ] | ||||||||||
)
|
Opal RRUFF ID: R060650 |
Ideal Chemistry: SiO2·nH2O |
||||||||
|
Locality: Idaho, USA Source: Gemological Institute of America 6029 Owner: RRUFF Description: Orange-brown glassy fragment, variety is opal-CT, based on its X-ray diffraction pattern Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
||||||||||
| Mineral Group: [ Amorphous (18) ] | ||||||||||
| Quick search: [ All Opal samples (11) ] | ||||||||||
)
|
Opal RRUFF ID: X070002 |
Ideal Chemistry: SiO2·nH2O |
||||||||
|
Locality: Synthetic Source: Taka Yamanaka Owner: Taka Yamanaka Description: White polished cab, Raman spectra matches Polymethyl methacrylate (plexiglas) Status: The identification of this mineral has been determined only by Raman spectroscopy |
||||||||||
| Mineral Group: [ Amorphous (18) ] | ||||||||||
| Quick search: [ All Opal samples (11) ] | ||||||||||
|
||||||||||