Cuprite, Copper, Talc, Magnesite

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Cuprite crystals on copper, with talc and magnesite, 5.4 cm, from Pedra de Ferro, Brumado. Harvard Mineralogical and Geological Museum collection, ex Carlos Barbosa specimen, ex Mark Feinglos collection; Jeff Scovil photo.

Product details

SizeSmall Cabinet
Dimensions5.4 cm
Added on03/26/2026
LocalityBrazil, Bahia, Brumado
Publications
  • Mineralogical Record 57 2 page 224
Current owner

Added by the community · Not a registered member

Previous owners
DateCollectorAcquisition price
—Mark FeinglosNot disclosed
—Carlos BarbosaNot disclosed

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Cuprite
Mineral guide
Learn about Cuprite
ruby-red copper oxide crystals with brilliant luster, from cubes to octahedra, prized for color, rarity, and historic collecting appeal.
Cuprite
Regional guide
Cuprite from Brumado
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Locality guide
Brumado
Brumado, Brazil — renowned magnesite district in Serra das Éguas, yielding glassy magnesite rhombs and tourmalines; a key collector locality with rare minerals.