Brannerite

Brannerite is a rare earth oxide mineral found in the form (U,Ca,Ce)(Ti,Fe)
₂O
₆^[1][2] Named for Dr. John Casper Branner^[3][4].

Brannerite
General
Category	Oxide Minerals
Formula	(U,Ca,Y,Ce)(Ti,Fe)2O6
IMA symbol	Bnr
Strunz classification	4.DH.05
Crystal system	Monoclinic
Identification
Colour	Black, Brownish Olive Green, Yellow-Brown to Yellow
Cleavage	None
Luster	Vitreous, Resinous, Dull
References	[5][6][7][8]

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