Ferrokësterite, Andorite

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Ferrokësterite with andorite, 3 cm, from the San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia. Ex Tom Gressman collection; Jeff Scovil photo.

Product details

SizeMiniature
Dimensions3.0 cm
Added on02/13/2026
Publications
  • Mineralogical Record Mineral Collections In Arizona page 193

Known provenance

DateCollectorAcquisition price
Tom GressmanNot disclosed

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Mineral guide
Learn about Andorite
rare sulfosalt with steel-gray to black crystals, high luster, and feathered groupings; prized in classic Bolivian and Peruvian localities.
Andorite
Regional guide
Andorite from San José Mine, Bolivia
San José Mine, Bolivia: steel-gray, highly metallic tabular crystals with strong striation, prized for display-worthy form and locality.