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Classification of Chopinite ... Type Occurrence of Chopinite ... Crystallography of Chopinite...
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Chopinite, the Mg-dominant analogue of sarcopside, is a new mineral corresponding to synthetic Mg3(PO4)2-II, a high-pressure polymorph of the meteoritic mineral farringtonite. ... X //b, Z ^ a ~55°. Chopinite is found as four inclusions isolated in a fluorapatite segregation in a quartz mass in a paragneiss from Brattnevet,
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General Chopinite Information ... Search for Chopinite Images ... Chopinite Crystallography...
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Using the farringtonite-chopinite univariant curve determined in hydrothermal experiments by F. Brunet and others, isopleths calculated for the most magnesian chopinite in GRA95209, XMg = 0.65, give 4 7 kbar at 500 1100 C, pressures far too high for the acapulcoite-lodranite parent body.
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diffraction patterns confirm identification of chopinite and farringtonite. ... farringtonite, leaving chopinite as a metastable phase as the ...
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phases confirm identification of chopinite and farringtonite. ... gives 4–7 kbar for this chopinite-farringtonite pair, pressures far too ...
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Chopinite-Sarcopside Solid Solution, (Mg,Fe)3(PO4)2, in Lodranite GRA 95209. Authors: Grew, E. S.; Yates, M. G.; Beane, R. J.; Floss, C.; Gerbi, C. ...
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Chopinite-sarcopside in meteorite GRA95209. Authors: Grew, E. S.; Yates, M. G.; Beane, R. J.; Floss, C.; Gerbi, C. Publication: ...
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being sarcopside or chopinite, not graftonite, which would have ... confirm identification of chopinite and farringtonite. In contrast to the phosphates, ...
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A Mg-dominant analog of sarcopside, chopinite, occurs in ... Chopinite and sarcopside are of the olivine structure type, but ...
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