Millerite on Quartz (coldwater Agate) - image 1
Photo by Geoffrey Crowe

Millerite on Quartz (coldwater Agate)

D

Doug and Deb Reif
0 for sale
Millerite on quartz (coldwater agate), 9 cm, from Kaser quarry, Ollie, Keokuk County, Iowa. Self-collected in 1970. Geoffrey Crowe photo.

Product details

Species
Agate, Millerite, QuartzAbout Agate →
SizeSmall Cabinet
Dimensions9.0 cm
Added on02/13/2026
Locality
USA, Iowa, Ollie
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 284

Learn more

Agate Laguna
Mineral guide
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vivid fortification banding, glow colors, rarity of classic pockets, highlighting Ojo Laguna locality, value, and care tips.
Regional guide
Agate from Ollie
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