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Oneillite Image

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 Oneillite

Large Oneillite Image

Mineral: Oneillite: Na15Ca3Mn3Fe++3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2
Comments: Brownish-yellow grains of oneillite in white K-feldspar from the type locality.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville, Montérégie, Québec, Canada.
Scale: FOV is 6x5 mm.
Copyright: © Pavel M. Kartashov
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