Ushkovite R060954
Name: Ushkovite
RRUFF ID: R060954
Ideal Chemistry: MgFe3+2(PO4)2(OH)2·8H2O
Locality: Linópolis, Minas Gerais, Brazil
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Radial aggregate of pale brownish yellow bladed crystals, associated with radial aggregate of pale green atencioite, dark green rockbridgeite, and lefontite R140074
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Laueite (9) ]
CHEMISTRY 
RRUFF ID: R060954.2
Sample Description: Microprobe Fragment
Measured Chemistry: Mg1.03Fe3+2.08(P2.00O4)2(OH)2·8H2O
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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RRUFF ID: R060954
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: R060954.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.356(2)Å    b: 10.622(3)Å    c: 7.242(1)Å
alpha: 108.37(1)°    beta: 111.71(2)°    gamma: 71.65(1)°   Volume: 354.02(8)Å3    Crystal System: triclinic
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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
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REFERENCES for Ushkovite

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]

Chesnokov B V, Vilisov V A, Cherepivskaya G E, Gorskaya M G (1983) Ushkovite, MgFe3+2(PO4)2(OH)2·8H2O, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 112, issue 1 42-46   [view file]

Dunn P J, Grice J D, Fleischer M, Pabst A (1984) New mineral names, American Mineralogist, 69, 210-215   [view file]

Galliski M A, Hawthorne F C (2002) Refinement of the crystal structure of ushkovite from Nevados de Palermo, Repúplica Argentina, The Canadian Mineralogist, 40, 929-937   [view file]