Dolomite and magnesite, 7.5cm, from the Pomba mine, Brumado. Steve Maslansky collection; Jeff Scovil photo, from Minerals & Precious Stones of Brazil, Cornejo and Bartorelli (2010).
Brumado, Brazil — renowned magnesite district in Serra das Éguas, yielding glassy magnesite rhombs and tourmalines; a key collector locality with rare minerals.
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