Empressite R200013

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.
Sample Description: Unoriented Raman
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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
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Empressite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Bradley W M (1914) Empressite, a new silver-tellurium mineral from Colorado, American Journal of Science, 38, 163-165   [view file]

Koern V (1939) Das binäre Legierungssystem Ag-Te, Naturwissenschaften, 27, 432-432

Thompson R M (1949) The telluride minerals and their occurrence in Canada, American Mineralogist, 34, 342-382   [view file]

Thompson R M, Peacock M A, Rowland J F, Berry L G (1951) Empressite and “stuetzite”, American Mineralogist, 36, 458-470   [view file]

Honea R M (1964) Empressite and stuetzite redefined, American Mineralogist, 49, 325-338   [view file]

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]