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Name: Polybasite RRUFF ID: R061052 Ideal Chemistry: [Ag9CuS4][(Ag,Cu)6(Sb,As)2S7] Locality: Elsa, Yukon Territory, Canada Source: Royal Ontario Museum M52499 [view label] Owner: RRUFF Description: Metallic, iron-black with reddish hints; pseudohexagonal tabular crystals associated with hexagonal prisms of stephanite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Polybasite (6) ] |
CHEMISTRY | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R061052.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 26.203(2)Å b: 15.133(2)Å c: 23.895(3)Å alpha: 90° beta: 89.996(5)° gamma: 90° Volume: 9475(3)Å3 Crystal System: monoclinic |
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REFERENCES for Polybasite | |
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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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Rose H (1829) Ueber die in der Natur vorkommenden nicht oxydirten Verbindungen des Antimons und des Arseniks. 2. Polybasit, eine neue Species, Annalen der Physik und Chemie, 15, 573-591 [view file] |
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Frondel C (1963) Isodimorphism of the polybasite and pearceite series, American Mineralogist, 48, 565-572 [view file] |
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Fleischer M (1965) New mineral names, American Mineralogist, 50, 1504-1508 [view file] |
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Harris D C, Nuffield E W, Frohberg M H (1965) Studies of mineral sulpho-salts: XIX-selenian polybasite, The Canadian Mineralogist, 8, 172-184 [view file] |
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Hall H T (1967) The pearceite and polybasite series, American Mineralogist, 52, 1311-1321 [view file] |
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Edenharter A, Koto K, Nowacki W (1971) Über pearceit, polybasit und binnit, Neues Jahrbuch für Mineralogie, Monatshefte, 1971, 337-341 |
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Bailey S W (1977) Report of the I.M.A-I.U.Cr. Joint Committee on Nomenclature, American Mineralogist, 62, 411-415 [view file] |
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Ondru P, Veselovský F, Gabaová A, Hlouek J, rein V, Vavrín I, Skála R, Sejkora J, Drábek M (2003) Primary minerals of the Jáchymov ore district, Journal of the Czech Geological Society, 48, 19-147 [view file] |
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Evain M, Bindi L, Menchetti S (2006) Structural compexity in minerals: twinning, polytypism and disorder in the crystal structure of polybasite, (Ag,Cu)16(Sb,As)2S11, Acta Crystallographica, B62, 447-456 |
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Locock A J, Ercit T S, Kjellman J, Piilonen C (2006) New mineral names, American Mineralogist, 91, 1945-1954 [view file] |
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Bindi L, Evain M, Spry P G, Menchetti S (2007) The pearceite-polybasite group of minerals: crystal chemistry and new nomenclature rules, American Mineralogist, 92, 918-925 [view file] |
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Bindi L, Menchetti S (2009) Adding further complexity to the polybasite structure: The role of Ag in the B layer of the -M2a2b2c polytype, American Mineralogist, 94, 151-155 [view file] |
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Bindi L, Voudouris P, Spry P G (2013) Structural role of tellurium in the minerals of the pearceite-polybasite group, Mineralogical Magazine, 77, 419-428 |
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Gill S B, Piercey S J, Layton-Matthews D (2016) Mineralogy and metal zoning of the Cambrian Zn-Pb-Cu-Ag-Au Lemarchant volcanogenic massive sulfide (VMS) deposit, Newfoundland, The Canadian Mineralogist, 54, 1307-1344 |
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