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Name: Grischunite RRUFF ID: R130677 Ideal Chemistry: NaCa2Mn2+5Fe3+(AsO4)6·2H2O Locality: Falotta, Tinizong, Oberhalbstein, Grischun, Switzerland Source: Rock Currier [view label] Owner: RRUFF Description: Tiny mass of vitreous orange-brown to reddish grains intergrown in altered felspathic-quartz whitish matrix Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Wicksite (3) ] | ||
| POWDER DIFFRACTION | |||||
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| RRUFF ID: | R130677.9 | ||||
| Sample Description: | Single crystal, powder profile is calculated | ||||
| Cell Refinement Output: |
a: 12.9164(47)Å b: 13.5157(49)Å c: 12.1043(28)Å alpha: 90° beta: 90° gamma: 90° Volume: 2113.1(18)Å3 Crystal System: orthorhombic |
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| REFERENCES for Grischunite | |
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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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Graeser S, Schwander H, Suhner B (1984) Grischunit (CaMn2[AsO4]2), eine neue Mineralart aus den Schweizer Alpen, Schweizerische Mineralogische und Petrographische Mitteilungen, 64, 1-10 |
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Dunn P J, Chao G Y, Fitzpatrick J J, Langley R H, Fleischer M, Zilczer J A (1986) New mineral names, American Mineralogist, 71, 227-232 [view file] |
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Bianchi R, Pilati T, Mannucci G (1987) Crystal structure of grischunite, American Mineralogist, 72, 1225-1229 [view file] |
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Roth P (2007) Grischunite, in Minerals first discovered in Switzerland and minerals named after Swiss individuals Kristallografik Verlag Achberg Germany 80-81 |
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