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Georgerobinsonite

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Dr. George Robinson
Formula:
Pb4(CrO4)2(OH)2FCl
Crystal System:
Orthorhombic
Name:
Named in 2009 by Mark A. Cooper, Neil A. Ball, Frank C. Hawthorne, Werner H. Paar, Andrew C. Roberts, and Elizabeth Moffatt in honor of Dr. George Willard Robinson (February 7, 1946, Glens Falls, New York - ), professor of mineralogy at Michigan Technological University, curator of the A.E. Seaman Mineral Museum (1996-2013), and author.
This page provides mineralogical data about Georgerobinsonite.


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Classification of GeorgerobinsoniteHide

Approved
Approval Year:
2009

Chemical Properties of GeorgerobinsoniteHide

Formula:
Pb4(CrO4)2(OH)2FCl

Crystallography of GeorgerobinsoniteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pmmn
Cell Parameters:
a = 7.6257(6) Å, b = 11.6078(9) Å, c = 6.8961(5) Å
Ratio:
a:b:c = 0.657 : 1 : 0.594
Unit Cell V:
610.43 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.371 (60)
3.357 (60)
3.308 (80)
3.195 (80)
3.143 (60)
2.131 (100)

Type Occurrence of GeorgerobinsoniteHide

Synonyms of GeorgerobinsoniteHide

Other Language Names for GeorgerobinsoniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Cerussite1 photo of Georgerobinsonite associated with Cerussite on mindat.org.
Leadhillite1 photo of Georgerobinsonite associated with Leadhillite on mindat.org.
Bobmeyerite1 photo of Georgerobinsonite associated with Bobmeyerite on mindat.org.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for GeorgerobinsoniteHide

Reference List:
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IMA approvals - November 2009
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.

Internet Links for GeorgerobinsoniteHide

Localities for GeorgerobinsoniteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
USA (TL)
 
  • Arizona
    • Pinal Co.
      • Mammoth District
        • Tiger
          • St. Anthony deposit
IMA Approvals - Nov.2009
Mineral and/or Locality  
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