Millerite, Calcite, Chalcopyrite - image 1
Photo by Geoffrey Crowe

Millerite, Calcite, Chalcopyrite

D

Doug and Deb Reif
0 for sale
Millerite on calcite with chalcopyrite, 16 cm, from the River Products quarry, Coralville, Johnson County, Iowa. Self-collected in 1969. Geoffrey Crowe photo.

Product details

Species
Millerite, Chalcopyrite, CalciteAbout Millerite →
SizeLarge Cabinet
Dimensions16.0 cm
Added on02/13/2026
Locality
USA, Iowa, River Products mine
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 284

Learn more

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.
Regional guide
Millerite from River Products mine
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