Actinolite from Brumado, Bahia, Brazil - image 1
Photo by Andrea Carla Ferreira

Actinolite from Brumado, Bahia, Brazil

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Actinolite and talc, 9 cm, from the Pedra Preta mine, Brumado. Manfredo Kayser Collection, MM Gerdau – Museu das Minas e do Metal, Belo Horizonte, Minas Gerais. Photo: Andrea Carla Ferreira.

Product details

SpeciesActinoliteTalc
SizeSmall Cabinet
Dimensions9.0 cm
Added on03/26/2026
LocalityBrazil, Bahia, Brumado
Publications
  • Mineralogical Record 57 2 page 214
Current owner
Manfredo Kayser

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Actinolite
Mineral guide
Learn about Actinolite
rich green, silky byssolite habits, and prismatic forms; formed in greenschists and Alpine clefts; prized for color, luster, and dramatic matrix.
Actinolite
Regional guide
Actinolite 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.