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Name: Wilkinsonite RRUFF ID: R060922 Ideal Chemistry: Na4[Fe2+8Fe3+4]O4[Si12O36] Locality: Warrumbungle Volcanics, New South Wales, Australia Source: [view label] Owner: RRUFF Description: Black anhedral grains found as inclusions within colorless anorthoclase Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Sapphirine (12) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R060922.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.324(2)Å b: 10.779(2)Å c: 8.923(1)Å alpha: 105.18(1)° beta: 96.38(1)° gamma: 125.25(1)° Volume: 737.9(1)Å3 Crystal System: triclinic |
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REFERENCES for Wilkinsonite | |
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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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Duggan M B (1990) Wilkinsonite, Na2Fe2+4Fe3+2Si6O20, a new member of the aenigmatite group from the Warrumbungle Volcano, New South Wales, Australia, American Mineralogist, 75, 694-701 [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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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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Burt J B, Downs R T, Costin G (2007) Single-crystal X-ray refinement of wilkensonite, Na2Fe2+4Fe3+2Si6O20, Acta Crystallographica, E63, i122-i124 [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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