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Name: Empressite RRUFF ID: R200013 Ideal Chemistry: AgTe Locality: Empress Josephine mine , Bonanza, Bonanza Mining District, Saguache Co., Colorado, USA Source: Joan Rosell, Jordi Ibáñez (Geo3BCN, Barcelona) and Tariq Jawhari (CCiTUB Barcelona) RM2970 Owner: Joan Rosell Description: Bronze to gray metallic fragment Status: The identification of this mineral has been confirmed by X-ray diffraction. |
RAMAN SPECTRUM | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R200013 | ||||||
Sample Description: | Powder using Cu radiation | ||||||
Cell Refinement Output: |
a: 8.902(1)Å b: 20.121(2)Å c: 4.6199(6)Å alpha: 90° beta: 90° gamma: 90° Volume: 827.50(9)Å3 Crystal System: orthorhombic |
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REFERENCES for Empressite | |
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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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Bradley W M (1914) Empressite, a new silver-tellurium mineral from Colorado, American Journal of Science, 38, 163-165 [view file] |
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Koern V (1939) Das binäre Legierungssystem Ag-Te, Naturwissenschaften, 27, 432-432 |
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Thompson R M (1949) The telluride minerals and their occurrence in Canada, American Mineralogist, 34, 342-382 [view file] |
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Thompson R M, Peacock M A, Rowland J F, Berry L G (1951) Empressite and stuetzite, American Mineralogist, 36, 458-470 [view file] |
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Honea R M (1964) Empressite and stuetzite redefined, American Mineralogist, 49, 325-338 [view file] |
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Bindi L, Spry P G, Cipriani C (2004) Empressite, AgTe, from the Empress-Josephine mine, Colorado, U.S.A.: composition, physical properties, and determination of the crystal structure, American Mineralogist, 89, 1043-1047 [view file] |
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