Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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Name: Grandreefite RRUFF ID: R100012 Ideal Chemistry: Pb2(SO4)F2 Locality: Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA Source: Natural History Museum of Los Angeles County LACMNH 33608 [view label] Owner: RRUFF Description: Colorless fragments from type specimen, associated with laurelite R100035 and pseudograndreefite R100006. Photos of type specimen are courtesy of LACMNH. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R100012.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 8.677(2)Å b: 4.4427(9)Å c: 14.291(3)Å alpha: 90° beta: 107.99(1)° gamma: 90° Volume: 524.0(1)Å3 Crystal System: monoclinic |
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REFERENCES for Grandreefite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
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Kampf A R, Dunn P J, Foord E E (1989) Grandreefite, pseudograndreefite, laurelite, and aravaipaite: Four new minerals from the Grand Reef mine, Graham County, Arizona, American Mineralogist, 74, 927-933 [view file] |
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Kampf A R (1991) Grandreefite, Pb2F2SO4: Crystal structure and relationship to the lanthanide oxide sulfates, Ln2O2SO4, American Mineralogist, 76, 278-282 [view file] |
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