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

Quartz from Brumado, Bahia, Brazil

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Drusy blue-green amesite on quartz and magnesite, 11.6 cm, from the Pedra Preta mine, Brumado. Manfredo Kayser Collection, MM Gerdau – Museu das Minas e do Metal, Belo Horizonte, Minas Gerais; Andrea Carla Ferreira photo.

Product details

SpeciesQuartzMagnesite
SizeCabinet
Dimensions11.6 cm
Added on03/26/2026
LocalityBrazil, Bahia, Brumado
Publications
  • Mineralogical Record 57 2 page 216
Current owner
Manfredo Kayser

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Quartz
Mineral guide
Learn about Quartz
a versatile mineral with clear, milky, and colored varieties; crystal forms, formation clues, and tips for identifying amethyst and citrine.
Quartz
Regional guide
Quartz 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.