AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Arkansas > Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite 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

   

Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite with Calcite from Mauldin Mountain Quarry, Montgomery County, Arkansas

 
Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite with Calcite from Mauldin Mountain Quarry, Montgomery County, Arkansas

Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite with Calcite from Mauldin Mountain Quarry, Montgomery County, Arkansas

DESCRIPTION:No. 78462
Mineral:Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite with Calcite
Locality:Mauldin Mountain Quarry, Montgomery County, Arkansas
Description:Gray Opal-CT mixed with chalcedony quartz pseudomorphs after spherical wavellite crystal formations to 2.5 mm surrounded by brown calcite. The original green wavellite was partially altered to the opal-chalcedony mixtures. See article: Aluminum Phosphate Minerals from Mauldin Mountain, Arkansas in Mineralogical Record v.16 #4, July-August 1985
Overall Size:26x17x14 mm
Crystals:1-2.5 mm pseudos
Archived: For reference only

 

 

 

 

 

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