Euxenite-(Y)

Divinesia pegmatite, Minas Gerais, Brazil
Miniature, 4.0 x 2.9 x 1.5 cm
Start Time: 07/03/2019 6:45:00 pm (CDT)
End Time: 07/30/2019 6:30:00 pm (CDT)
Auction Closed

Item Description

A large, crude but terminated, mostly complete crystal of Euxenite-(Y), a rare yttrium niobate, that exhibits a nearly black, sub-metallic interior and with a white to yellowish surface alteration coating. The mineral is undoubtedly metamict from contained actinide elements. Euxenite generally occurs in pegmatites of a unique composition (NYF type).

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