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Name: Graeserite RRUFF ID: R110054 Ideal Chemistry: Fe3+4Ti3As3+O13(OH) Locality: Binntal, Wallis, Switzerland Source: Bob Jenkins [view label] Owner: RRUFF Description: Black prismatic crystals, associated with brown rutile, yellow muscovite, green clinochlore and colorless orthoclase Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R110054.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 5.0143(4)Å b: 14.260(2)Å c: 7.1716(8)Å alpha: 90° beta: 105.254(7)° gamma: 90° Volume: 494.7(2)Å3 Crystal System: monoclinic |
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REFERENCES for Graeserite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Berlepsch P, Armbruster T (1998) The crystal structure of Pb2+-bearing graeserite, Pb0.14(Fe,Ti)7AsO12+x(OH)2-x, a mineral of the derbylite group, Schweizerische Mineralogische und Petrographische Mitteilungen, 78, 1-9 |
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Krzemnicki M S, Reusser E (1998) Graeserite, Fe4Ti3AsO13(OH), a new mineral species of the derbylite group from the Monte Leone Nappe, Binntal Region, Western Alps, Switzerland, The Canadian Mineralogist, 36, 1083-1104 [view file] |
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Jambor J L, Roberts A C (1999) New mineral names, American Mineralogist, 84, 990-994 [view file] |
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Roth P (2007) Graeserite, in Minerals first discovered in Switzerland and minerals named after Swiss individuals Kristallografik Verlag Achberg Germany 76-77 |
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Biagioni C, Bonaccorsi E, Perchiazzi N, Hålenius U, Zaccarini F (2020) Derbylite and graeserite from the Monte Arsiccio mine, Apuan Alps, Tuscany, Italy: occurrence and crystal-chemistry, Mineralogical Magazine, 84, 766-777 [view file] |
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