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Name: Gratonite RRUFF ID: R060956 Ideal Chemistry: Pb9As4S15 Locality: Rio Tinto mine, Rio Tinto, Huelva Province, Spain Source: Bob Jenkins [view label] Owner: RRUFF Description: Dark-gray metallic elongated prismatic trigonal crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
| 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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| POWDER DIFFRACTION | |||||||
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| RRUFF ID: | R060956.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: |
a: 17.664(3)Å b: 17.664(3)Å c: 7.782(1)Å alpha: 90° beta: 90° gamma: 120° Volume: 2102.9(3) 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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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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