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Name: Georgerobinsonite RRUFF ID: R110148 Ideal Chemistry: Pb4(CrO4)2(OH)2FCl Locality: Mammoth mine, Tiger, Pinal County, Arizona, USA Source: The University of Arizona Mineral Museum 5194 and 10550 [view label] [view label] Owner: RRUFF Description: Red tabular crystal, resembling wulfenite, associated with quartz, cerussite, caledonite, and matlockite (R140538). Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ Not in a structural group (133) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R110148.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 7.631(6)Å b: 11.634(8)Å c: 6.915(4)Å alpha: 90° beta: 90° gamma: 90° Volume: 613.9(3)Å3 Crystal System: orthorhombic |
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REFERENCES for Georgerobinsonite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Williams P A, Hatert F, Pasero M (2009) New minerals approved in 2009, in International Mineralogical Association 1-34 [view file] |
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Cooper M A, Ball N A, Hawthorne F C, Paar W H, Roberts A C, Moffatt E (2011) Georgerobinsonite, Pb4(CrO4)2(OH)2FCl, a new chromate mineral from the Mammoth - St. Anthony mine, Tiger, Pinal County, Arizona: Description and crystal structure, The Canadian Mineralogist, 49, 865-876 [view file] |
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