AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Iowa > Quartz Geode with Calcite

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Quartz Geode with Calcite from Iowa

 
Quartz Geode with Calcite from Iowa

Quartz Geode with Calcite from Iowa

Photo below under shortwave ultraviolet illumination:
Quartz Geode with Calcite from Iowa

DESCRIPTION:No. 25812
Mineral:Quartz Geode with Calcite
Locality:Iowa
Description:Half of a hollow geode lined with light gray quartz chalcedony. Overgrown on the chalcedony are lustrous crystals clusters of colorless calcite. Fluoresces green under UV illumination. Most likely from the Keokuk geode beds.
Overall Size:6x5x3 cm
Crystals:3-5 mm
Status: Sold - Posted here for reference only
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