Betpakdalite R060242


 Name: Betpakdalite
RRUFF ID: R060242
Ideal Chemistry: MgCa2Fe3+3Mo8(AsO4)2O28(OH)·23H2O
Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Yellow short prismatic crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R060242.2
Sample Description: Microprobe Fragment
Measured Chemistry: Mg1.00Ca2.00Fe3+3.00(Mo7.89W0.11)Σ=8((As1.94P0.06)Σ=1O4)2O28(OH)·23H2O ; H not mesured but estimated by difference and stoichiometry; the lighter areas are richer in W.
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060242
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R060242.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 19.40(1)Å    b: 11.043(6)Å    c: 15.176(8)Å
alpha: 90°    beta: 131.327(8)°    gamma: 90°   Volume: 2442(3)    Crystal System: monoclinic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Betpakdalite

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]

Ermilova L P, Senderova V M (1961) Betpakdalite - a new mineral from the oxidation zone of the Karaoba wolframite deposit, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 90, 425-430   [view file]

Fleischer M (1962) New mineral names, American Mineralogist, 47, 172-174   [view file]

International Mineralogical Association (1967) Commission on new minerals and mineral names, Mineralogical Magazine, 36, 131-136   [view file]

Schmetzer V K, Nuber B, Tremmel G (1984) Betpakdalite from Tsumeb, Namibia: mineralogy, crystal chemistry and structure, Neues Jahrbuch für Mineralogie, Monatshefte, 1984, 393-403

Dunn P J, Ferraiolo J A, Fleischer M, Gobel V, Grice J D, Langley R H, Shigley J E, Vanko D A, Zilczer J A (1985) New mineral names, American Mineralogist, 70, 1329-1335   [view file]

Jambor J L, Burke E A J (1993) New mineral names, American Mineralogist, 78, 845-849   [view file]

Cooper M A, Hawthorne F C (1999) The crystal structure of betpakdalite, and a new chemical formula: {Mg(H2O)6}Ca2(H2O)13[Mo6+8As5+2Fe3+3O36(OH)](H2O)4, The Canadian Mineralogist, 37, 61-66   [view file]

Jambor J L, Roberts A C (2000) New mineral names, American Mineralogist, 85, 263-266   [view file]