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Name: Stilpnomelane RRUFF ID: R060334 Ideal Chemistry: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O Locality: Blanchard Mountain, Skagit County, Washington, USA Source: Michael Scott S100225 [view label] Owner: RRUFF Description: Black platy radiating groups associated with quartz, 180 deg twin around [0 1 2] Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
| Mineral Groups: [ Stilpnomelane (4) ] [ Clay (86) ] | ||
| Quick search: [ All Stilpnomelane samples (3) ] | ||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| RRUFF ID: | R060334.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: |
a: 21.899(6)Å b: 21.886(6)Å c: 17.609(6)Å alpha: 124.67(2)° beta: 96.07(3)° gamma: 119.96(1)° Volume: 5034.0(9)Å3 Crystal System: triclinic |
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| REFERENCES for Stilpnomelane | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
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Glocker E F (1827) Beschreibung des Stilpnomelan, eines neuen schlesischen Fossils, in Beyträge zur Mineralogischen Kenntniss der Sudetenländer Insbesondere Schlesiens Josef Mar und Komp Breslau 68-74 [view file] |
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Smith M L, Frondel C (1968) The related layered minerals ganophyllite, bannisterite, and stilpnomelane, Mineralogical Magazine, 36, 893-913 [view file] |
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Fleischer M (1969) New mineral names, American Mineralogist, 54, 1218-1223 [view file] |
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International Mineralogical Association (1971) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 38, 102-105 [view file] |
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Eggleton R A (1972) The crystal structure of stilpnomelane. Part II. The full cell, Mineralogical Magazine, 38, 693-711 [view file] |
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Klein C (1974) Greenalite, stilpnomelane, minnesotaite, crocidolite and carbonates in a very low-grade metamorphic Precambrian iron-formation, The Canadian Mineralogist, 12, 475-498 [view file] |
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Eggleton R A, Chappell B W (1978) The crystal structure of stilpnomelane. Part III: Chemistry and physical properties, Mineralogical Magazine, 42, 361-368 [view file] |
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Miyano T (1982) Stilpnomelane, iron–rich mica, K–feldspar and hornblende in banded iron–formation assemblages of the Dales Gorge Member, Hamersley Group, Western Australia, The Canadian Mineralogist, 20, 189-202 [view file] |
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Feininger T (1984) Stilpnomelane in metasomatic rocks associated with steatite and in regional schists, Quebec Appalachians, The Canadian Mineralogist, 22, 423-435 [view file] |
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Papike J J (1988) Chemistry of the rock-forming silicates: Multiple-chain, sheet, and framework structures, Reviews of Geophysics, 26, 407-444 [view file] |
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Ghent E D, Stout M Z, Ferri F (1989) Chloritoid–paragonite–pyrophyllite and stilpnomelane-bearing rocks near Blackwater Mountain, western Rocky Mountains, British Columbia, The Canadian Mineralogist, 27, 59-66 [view file] |
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Guggenheim S, Eggleton R A (1994) Stilpnomelane and parsettensite: A distance least sqares (DLS) study, American Mineralogist, 79, 438-442 [view file] |
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Krivovichev S V (2013) Structural complexity of minerals: information storage and processing in the mineral world, Mineralogical Magazine, 77, 275-326 |
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