Millerite

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Millerite in a geode, 7 cm, from a roadcut near Hall’s Gap, Lincoln County, Kentucky. Photo by Jeff Scovil.

Product details

SpeciesMillerite
SizeSmall Cabinet
Dimensions7.0 cm
Added on02/13/2026
Publications
  • Mineralogical Record Mineral Collections In American Midwest page 183
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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.