Ekatite R110136

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Name: Ekatite
RRUFF ID: R110136
Ideal Chemistry: (Fe3+,Fe2+,Zn)12(AsO3)6(AsO3,SiO3OH)2(OH)6
Locality: Tsumeb, Namibia
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Radiating aggregate of thin black prismatic crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Ellenbergerite (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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RRUFF ID: R110136
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 50% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R110136.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 12.754(1)Å    b: 12.754(1)Å    c: 5.0457(4)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 710.84(7)Å3    Crystal System: hexagonal
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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 Ekatite

American Mineralogist Crystal Structure Database Record: [view record]

Keller P (2001) Ekatite, (Fe3+,Fe2+,Zn)12(OH)6[AsO3]6[AsO3,HOSiO3]2, a new mineral from Tsumeb, Nambia, and its crystal structure, European Journal of Mineralogy, 13, 769-777   [view file]

Jambor J L, Roberts A C (2002) New mineral names, American Mineralogist, 87, 355-358   [view file]

Mandarino J A (2002) New minerals, The Canadian Mineralogist, 40, 247-254   [view file]