Millerite, Chalcopyrite - image 1
Photo by Mark Kielbaso

Millerite, Chalcopyrite

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Millerite with chalcopyrite, 4 cm, from Halls Gap, Lincoln County, Kentucky; Collected in 1985. Mark Kielbaso collection and photo.

Product details

SpeciesMillerite, Chalcopyrite
SizeMiniature
Dimensions4.0 cm
Added on02/13/2026
LocalityUSA, Kentucky, Halls Gap
Publications
  • Mineralogical Record Self Collected Minerals page 191
Current owner
Mark Kielbaso

Added by the community · Not a registered member

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Millerite
Mineral guide
Learn about Millerite
gold, needle-like crystals forming delicate sprays; prized for lustrous acicular bundles, fragility, and top localities yielding fine specimens.
Millerite
Regional guide
Millerite from Halls Gap, Kentucky, USA
from Halls Gap, Kentucky — brassy NiS needle sprays in large geodes with white chalcedony lining; locality prized by collectors.
Locality guide
Halls Gap
Halls Gap, USA - classic Kentucky locality renowned for millerite-in-geode specimens; metallic needles in pale quartz/chalcedony geodes prized by collectors.