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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 | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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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REFERENCES for Ekatite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Jambor J L, Roberts A C (2002) New mineral names, American Mineralogist, 87, 355-358 [view file] |
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Mandarino J A (2002) New minerals, The Canadian Mineralogist, 40, 247-254 [view file] |
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