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Name: Fenaksite RRUFF ID: R080135 Ideal Chemistry: KNaFe2+Si4O10 Locality: Yukspor Mountain, Khibiny Massif, Kola Peninsula, Russia Source: Michael Scott S105088 [view label] Owner: RRUFF Description: Light yellow, transparent, elongated prismatic to platy crystals, associated with dark gray to colorless delhayelite (R070096), brown lamprophyllite, elongated blue aegerine, and grayish brown lomonosovite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Litidionite (3) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R080135.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 6.965(2)Å b: 8.250(4)Å c: 9.928(5)Å alpha: 114.52(2)° beta: 79.99(2)° gamma: 116.01(2)° Volume: 466.4(2)Å3 Crystal System: triclinic |
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REFERENCES for Fenaksite | |
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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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Dorfman M D, Rogachev D D, Goroshchenko Z I, Mokretsova A V (1959) Fenaksite - a new mineral, Trudy Mineralogicheskogo Muzeya Akademiya Nauk SSSR, 9, 152-157 [view file] |
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Fleischer M (1960) New mineral names, American Mineralogist, 45, 252-258 [view file] |
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International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263 [view file] |
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Golovachev V P, Drozdov Y N, Kuz'min E A, Belov N V (1971) The crystal structure of phenaxite FeNaK(Si4O10)(KNaFe[Si4O10]), Soviet Physics - Doklady, 15, 902-904 |
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Kawamura K, Kawahara A (1977) The crystal structure of synthetic copper sodium silicate: CuNa2Si4O10, Acta Crystallographica, B33, 1071-1075 |
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Rozhdestvenskaya I V, Bannova I I, Nikishova L V, Soboleva T V (2004) The crystal structure of fenaksite K2Na2Fe2Si8O20, Doklady Earth Sciences, 398, 1029-1033 |
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Piilonen P C, Grew E S, Ercit T S (2005) New mineral names, American Mineralogist, 90, 1227-1233 [view file] |
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