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Georgerobinsonite R110148

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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 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R110148
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 1% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
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
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
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 Georgerobinsonite

American Mineralogist Crystal Structure Database Record: [view record]

Williams P A, Hatert F, Pasero M (2009) New minerals approved in 2009, in International Mineralogical Association 1-34   [view file]

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]