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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: 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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