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Name: Keyite RRUFF ID: R050585 Ideal Chemistry: (◻0.5Cu0.5)CuCdZn2(AsO4)3·H2O Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: University of Arizona Mineral Museum 14754 [view label] Owner: RRUFF Description: Microscopic blue prismatic crystals embedded in green zincolivenite, R050583, and associated with schultenite, R050584 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Alluaudite (22) ] | ||
Quick search: [ All Keyite 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: | R050585.9 | |||||
Sample Description: | Single crystal, powder profile is calculated | |||||
Cell Refinement Output: |
a: 11.74(5)Å b: 12.92(6)Å c: 6.89(2)Å alpha: 90° beta: 99.3(2)° gamma: 90° Volume: 1032(2)Å3 Crystal System: monoclinic |
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REFERENCES for Keyite | |
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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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Embrey P G, Fejer E E, Clark A M (1977) Keyite: a new mineral from Tsumeb, The Mineralogical Record, 8, 87-90 [view file] |
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Fleischer M, Cabri L J, Pabst A (1977) New mineral names, American Mineralogist, 62, 1259-1262 [view file] |
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Cooper M A, Hawthorne F C (1996) The crystal structure of keyite, Cu2+3(Zn,Cu2+)4Cd2(AsO4)6(H2O)2, an oxysalt mineral with essential cadium, The Canadian Mineralogist, 34, 623-630 [view file] |
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Jambor J L, Roberts A C (1997) New mineral names, American Mineralogist, 82, 207-210 [view file] |
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Schlüter J, Malcherek T, Mihailova B, Gebhard G (2013) The new mineral erikapohlite, Cu3(Zn,Cu,Mg)4Ca2(AsO4)6·2H2O, the Ca-dominant analogue of keyite, from Tsumeb, Namibia, Neues Jahrbuch für Mineralogie, Abhandlungen, 190, 319-325 |
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Hatert F (2019) A new nomenclature scheme for the alluaudite supergroup, European Journal of Mineralogy, 31, 807-822 [view file] |
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