Magnesite from Brumado, Bahia, Brazil - image 1
Magnesite from Brumado, Bahia, Brazil - image 2

Magnesite from Brumado, Bahia, Brazil

$435.00

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Very fine for the species, glassy partly gemmy large rhombohedral crystals of magnesite measuring to 6.0 cm in size in a cluster without matrix. The crystals are sharp and in excellent condition. The specimen comes with a previous label from the collection of Ray DeMark. The specimen dates to the very early 1990s.Brumado, located in the state of Bahia, Brazil, is characterized by complex Precambrian geological formations featuring ancient metamorphic rocks and rich sediment-hosted deposits. The region is widely renowned for the Serra das Eguas mountain range, which contains some of the largest and highest quality deposits of magnesite and talc in the world. Mining activity in the area began to expand significantly during the twentieth century, transforming the local economy and establishing Brumado as a major global center for industrial mineral extraction.

Product details

SpeciesMagnesite
SizeCabinet
Dimensions10.5 x 7.0 x 3.0 cm
Listed on09/30/2026
LocalityBrazil, Bahia, Brumado
SKU2062728
Current owner
WM
Weinrich MineralsFeatured
3,340 for sale·9 sold

Learn more

Magnesite
Mineral guide
Learn about Magnesite
sharp white rhombohedrons and botryoidal/stalactitic forms, plus Alpine pinolite varieties; prized for contrast, texture, and decorative cabinet app…
Magnesite
Regional guide
Magnesite from Brumado, Brazil
Brumado magnesite - Brazilian locality in Bahia producing display crystals, often with tourmaline or florencite; prized by collectors for contrast and aestheti…
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.