Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Hlopinite

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Formula:
(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Synonym:
A synonym of Titanium-bearing Samarskite-(Y)
This page provides mineralogical data about Hlopinite.


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Unique IdentifiersHide

Mindat ID:
30186 (as Hlopinite)
29535 (as Titanium-bearing Samarskite-(Y))
3512 (as Samarskite-(Y))
Long-form identifier:
mindat:1:1:30186:2 (as Hlopinite)
mindat:1:1:29535:8 (as Titanium-bearing Samarskite-(Y))
mindat:1:1:3512:1 (as Samarskite-(Y))

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References for HlopiniteHide

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