Quartz, Pyrrhotite, Dolomite

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Quartz with pyrrhotite on dolomite, 10.6 cm, from the Morro Velho mine near Ouro Preto, Minas Gerais, Brazil. Will Johnson collection, ex Rock Currier; Tom Spann photo. Reference: Gaines and Lucio (1973).

Product details

SizeCabinet
Dimensions10.6 cm
Added on02/13/2026
Publications
  • Mineralogical Record Flawless Beauty page 84
Current owner

Added by the community · Not a registered member

Previous owners
DateCollectorAcquisition price
—Will JohnsonNot disclosed
—Rock CurrierNot disclosed

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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 Ouro Preto
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Locality guide
Ouro Preto
Ouro Preto, Brazil — world-class imperial topaz from an iron district, plus hematite rose plates and fine euclase crystals, a top collector locality.