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Name: Brunogeierite RRUFF ID: R090012 Ideal Chemistry: Fe2+2Ge4+O4 Locality: Tsumeb, Namibia Source: William W. Pinch [view label] Owner: RRUFF Description: Sharp black octahedra with hematite plates and elongated Zn-rich siderite. Sample originally from John Innes, also the source of single crystal studied by Welch et al (2001) Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ Spinel (66) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R090012.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 8.414(5)Å b: 8.414(5)Å c: 8.414(5)Å alpha: 90° beta: 90° gamma: 90° Volume: 595.70(5)Å3 Crystal System: cubic |
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REFERENCES for Brunogeierite | |
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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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Ottemann J, Nuber B (1972) Brunogeierite, ein Germanium-Ferritspinell von Tsumeb, Neues Jahrbuch für Mineralogie, Monatshefte, 1972, 263-267 |
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Fleischer M (1973) New mineral names, American Mineralogist, 58, 347-349 [view file] |
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Johan Z, Oudin E, Picot P (1983) Analogues germanifères et gallifères des silicates et oxydes dans les gisements de zinc des Pyrénées centrales, France; argutite et carboirite, deux nouvelles espèces minérales, Tschermaks Mineralogische und Petrographische Mitteilungen, 31, 97-119 |
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Welch M D, Cooper M A, Hawthorne F C (2001) The crystal structure of brunogeierite, Fe2GeO4 spinel, Mineralogical Magazine, 65, 441-444 [view file] |
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Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 9. New minerals and nomenclature modifications approved in 2011, Mineralogical Magazine, 75, 2535-2540 [view file] |
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Cempírek J, Groat L A (2013) Note on the formula of brunogeierite and the first bond-valence parameters of Ge2+, Journal of Geosciences, 58, 71-74 [view file] |
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Bosi F, Biagioni C, Pasero M (2019) Nomenclature and classification of the spinel supergroup, European Journal of Mineralogy, 31, 183-192 [view file] |
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