Formula :
(U,Ca,Y,Ce)(Ti,Fe)2O6
System: monoclinic Hardness:4½-5 Rarity:not common
Strunz id:IV/D.22-20 -
OXIDES and HYDROXIDES
Name origin: For Dr. John Casper Branner (4 July 1850, New Market, Tennessee, USA - 1 March 1922, Palo Alto, California, USA), geologist and Professor of Geology and President of Stanford University, Palo Alto, California, USA. He served as president of the Geological Society of America in 1904 and the Seismological Society of America in 1911.
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