Bartelkeite R070114

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Name: Bartelkeite
RRUFF ID: R070114
Ideal Chemistry: PbFe2+Ge(Ge2O7)(OH)2·H2O
Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Pistachio green crystals in vug associated with pale yellow prismatic mimetite crystals.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Lawsonite (4) ]
CHEMISTRY 
RRUFF ID: R070114.2
Sample Description: Microprobe Fragment
Measured Chemistry: Pb0.97(Fe+20.94Zn0.01)Σ=0.95VIGe1.00IV(Ge1.81As0.16Si0.01S0.01)Σ=1.99O7[(OH)1.94Cl0.04]Σ=1.98·1.02H2O
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: R070114
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: R070114.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.4033(2)Å    b: 13.6150(4)Å    c: 5.8279(2)Å
alpha: 90°    beta: 111.760(2)°    gamma: 90°   Volume: 398.18(3)Å3    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 Bartelkeite

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]

Keller V P, Hess H, Dunn P J (1981) Bartelkeit, PbFe2+Ge3O8, ein neues Germanium-Mineral von Tsumeb, Namibia, Chemie der Erde, 40, 201-206

Fleischer M, Burns R G, Cabri L J, Francis C A, Pabst A (1982) New mineral names, American Mineralogist, 67, 413-418   [view file]

Origlieri M J, Yang H, Downs R T, Posner E S, Domanik K J, Pinch W W (2012) The crystal structure of bartelkeite, with a revised chemical formula, PbFeGeVI(GeIV2O7)(OH)2·H2O, isotypic with high-pressure P21/m lawsonite, American Mineralogist, 97, 1812-1815   [view file]