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Name: Aenigmatite RRUFF ID: R061089 Ideal Chemistry: Na4[Fe2+10Ti2]O4[Si12O36] Locality: Eveslogchorr, Khibiny Massif, Kola Peninsula, Russia Source: Michael Scott S103020 [view label] Owner: RRUFF Description: Black prismatic crystals embedded in eucryptite with astrophyllite and magnesioriebeckite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Sapphirine (12) ] | ||
Quick search: [ All Aenigmatite 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: | R061089.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.402(3)Å b: 10.830(4)Å c: 8.921(4)Å alpha: 104.99(1)° beta: 96.80(1)° gamma: 125.43(1)° Volume: 743(1)Å3 Crystal System: triclinic |
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REFERENCES for Aenigmatite | |
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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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Breithaupt J F A (1865) Mineralogische Studien. 29. Kölbingit. Ainigmatit, Berg- und Hüttenmännische Zeitung, 24, 397-398 [view file] |
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Lorenzen J (1882) On some minerals from the sodalite-syenite in the Juliane-haab district, south Greenland, Mineralogical Magazine, 5, 49-70 [view file] |
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Fleischer M (1964) New mineral names, American Mineralogist, 49, 816-821 [view file] |
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Kelsey C H, McKie D (1964) The unit-cell of aenigmatite, Mineralogical Magazine, 33, 986-1001 [view file] |
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International Mineralogical Association (1967) Commission on new minerals and mineral names, Mineralogical Magazine, 36, 131-136 [view file] |
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Cannillo E, Mazzi F, Fang J H, Robinson P D, Ohya Y (1971) The crystal structure of aenigmatite, American Mineralogist, 56, 427-446 [view file] |
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Yagi K, Souther J G (1974) Aenigmatite from Mt. Edziza, British Columbia, Canada, American Mineralogist, 59, 820-829 [view file] |
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Leake B E (1978) Nomenclature of amphiboles, American Mineralogist, 63, 1023-1052 [view file] |
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Burt D M (1994) Vector representation of some mineral compositions in the aenigmatite group, with special reference to hogtuvaite, The Canadian Mineralogist, 32, 449-457 [view file] |
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Grauch R I, Lindahl I, Evans H T, Burt D M, Fitzpatrick J J, Foord E E, Graff P, Hysingjord J (1994) Høgtuvaite, a new beryllian member of the aenigmatite group from Norway, with new X-ray data on aenigmatite, The Canadian Mineralogist, 32, 439-448 [view file] |
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Jensen B B (1996) Solid solution among members of the aenigmatite group, Mineralogical Magazine, 60, 982-986 [view file] |
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Kunzmann T (1999) The aenigmatite-rhönite mineral group, European Journal of Mineralogy, 11, 743-756 [view file] |
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Grew E S, Hålenius U, Pasero M, Barbier J (2008) Recommended nomenclature for the sapphirine and surinamite group (sapphirine supergroup), Mineralogical Magazine, 72, 839-876 [view file] |
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Grew E S, Hålenius U, Pasero M (2008) The crystal-chemistry of aenigmatite revisited: electron microprobe data, structure refinement and Mössbauer spectroscopy of aenigmatite from Vesterøya (Norway), European Journal of Mineralogy, 20, 983-991 |
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Redhammer G J, Roth G, Topa D, Amthauer G (2008) Synthetic aenigmatite analog Na2(Mn5.26Na0.74)Ge6O20: structure and crystal chemical considerations, Acta Crystallographica, C64, i21-i26 |
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