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Name: Gratonite RRUFF ID: R050365 Ideal Chemistry: Pb9As4S15 Locality: Cerro de Pasco, Peru Source: University of Arizona Mineral Museum 10998 [view label] Owner: RRUFF Description: Dark lead gray aggregate, including single crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Quick search: [ All Gratonite samples (2) ] |
CHEMISTRY | ||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||
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POWDER DIFFRACTION | ||||||||
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RRUFF ID: | R050365.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 17.721(2)Å b: 17.721(2)Å c: 7.797(1)Å alpha: 90.° beta: 90.° gamma: 120.° Volume: 2120.9(5)Å3 Crystal System: hexagonal |
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REFERENCES for Gratonite | |
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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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Gamble D (1938) New mineral discovered: Rochester and Harvard fail to link it with any known species, New York Times, Dec 28, 1938, 17-17 |
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Palache C, Fisher D J (1939) Gratonite - preliminary description of a new mineral from Cerro de Pasco, Peru, American Mineralogist, 24, 136-136 [view file] |
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Palache C, Fisher D J (1940) Gratonite - A new mineral from Cerro de Pasco, Peru, American Mineralogist, 25, 255-265 [view file] |
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Rust G W (1940) Geologic occurrence of gratonite at Cerro de Pasco, Peru, American Mineralogist, 25, 266-270 [view file] |
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Rösch H (1963) Zur kristallstruktur des gratonits - 9PbS·2As2S3, Neues Jahrbuch für Mineralogie, Abhandlungen, 99, 307-337 |
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Ribár B, Nowacki W (1969) Neubestimmung der kristallstruktur von gratonit, Pb9As4S15, Zeitschrift für Kristallographie, 128, 321-338 [view file] |
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