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Mineralogical ClassificationIMA #2004-054 = Lingunite
9th Jul 2006 11:37 UTCSteve Sorrell Expert
LINGUNITE- Tenham Sta, So. Gregory, Queensland Australia. This NEW SPECIES occurs as minute inclusions within the Tenham hypersthene-olivine chondrite metorite that fell in 1879. Formula: (Na,Ca), IMA #2004-054. Each sample is a small polished section, accompanied by a sharp SEM image, analytical chemistry and XRD data confirming the species visually, chemically and structurally! Associations vary but typically include kamacite, troilite, olivine, ringwoodite etc. Only three confirmed samples on hand @ 375.00 each, with full documentation!
Regards
Steve
9th Jul 2006 13:42 UTCMarco E. Ciriotti Manager
References:
• Liu, L. (1978): High-pressure phase transformations of albite, jadeite and nepheline. Earth Planetary Science Letters, 37, 438-444.
• Gillet, P., Chen, M., Dubrovinsky, L., El Goresy, A. (2000): Natural NaAlSi3O8-hollandite in the shocked Sixiangkou meteorite. Science, 287, 1633-1636.
• Tomioka, N., Mori, H., Fujino, K. (2000): Shock-induced transition of NaAlSi3O8 feldspar into a hollandite structure in a L6 chondrite. Geophysical Research Letters, 27, 3997-4000.
• Zhang, A., Hsu, W., Wang, R., Ding, M. (2006): Assemblage of diopside, pyroxene, akimotoite, and ringwoodite in the heavily shocked Sixiangkou L6 chondrite: further constraints on conditions of shock metamorphism. Lunar and Planetary Science, 37, 1069.
15th Apr 2007 16:00 UTCJeffrey de Fourestier Expert
17th Apr 2007 00:12 UTCJeffrey de Fourestier Expert
I cam across a reference to "Unnamed (Tetragonal analogue of Albite)" on MinDat that gives the "type" locality as the Suizhou meteorite. In fact, confirmed by the reference given (AmMin 85: 1564), the type locality is the Sixiangkou meteorite. This is a description of what is now known as Lingunite.
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