Quartz - image 1
Photo by Jeffrey A. Scovil

Quartz

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Japan-law quartz twin, 5 cm, also twinned on the Dauphiné law, as revealed by irregular patches of differing reflectivity on the prism faces, from the PC mine, Jefferson County, Montana. Photo by Jeff Scovil.

Product details

SpeciesQuartz
SizeMiniature
Dimensions5.0 cm
Added on02/13/2026
LocalityUSA, Montana, Little Pipestone Mining District
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 139
Current owner
Carl A. Francis

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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 Little Pipestone Mining District
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Locality guide
Little Pipestone Mining District
Little Pipestone Mining District, Montana - a quiet locality famed for amethyst and smoky quartz scepters and tourmalinated crystals; museum-grade pockets.