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

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Quartz Geode with Calcite from Keokuk Geode District, near Hamilton, Hancock County, Illinois

 
Quartz Geode with Calcite from Keokuk Geode District, near Hamilton, Hancock County, Illinois

Quartz Geode with Calcite from Keokuk Geode District, near Hamilton, Hancock County, Illinois

Photo below under shortwave ultraviolet illumination:
Quartz Geode with Calcite from Keokuk Geode District, near Hamilton, Hancock County, Illinois

DESCRIPTION:No. 52539
Mineral:Quartz Geode with Calcite
Locality:Keokuk Geode District, near Hamilton, Hancock County, Illinois
Description:One half of a hollow geode that was sawn open to reveal the interior lined with small rhombohedral to scalenohedral brown calcite crystals to 1 mm that fluoresce under UV illumination. Ex. John Geiges collection
Overall Size:7x5x4.5 cm
Crystals:0.5-1.0 mm
Archived: For reference only

 

 

 

 

 

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