Amesite, Quartz, Magnesite, Goethite - image 1
Photo by Andrea Carla Ferreira

Amesite, Quartz, Magnesite, Goethite

L

Luiz Menezes
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Amesite in yellowish crystals on quartz with magnesite and spherical aggregates of goethite, 2.3 cm, from the Pedra Preta mine, Brumado. Luiz Menezes collection, MM Gerdau – Museu das Minas e do Metal, Belo Horizonte, Minas Gerais; Andrea Carla Ferreira photo. Inset: Close up of amesite crystals.

Product details

Species
Quartz, Magnesite, GoethiteAbout Quartz →
SizeThumbnail
Dimensions2.3 cm
Added on03/26/2026
Locality
Brazil, Bahia, Brumado
Publications
  • Mineralogical Record 57 2 page 49

Learn more

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.
Regional guide
Quartz from Brumado
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