AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Nebraska > Quartz pseudomorphs after Gypsum

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

   

Quartz pseudomorphs after Gypsum from near Crawford, Dawes County, Nebraska

 
Quartz pseudomorphs after Gypsum from near Crawford, Dawes County, Nebraska

Quartz pseudomorphs after Gypsum from near Crawford, Dawes County, Nebraska

DESCRIPTION:No. 42601
Mineral:Quartz pseudomorphs after Gypsum
Locality:near Crawford, Dawes County, Nebraska
Description:Round formation of quartz pseudomorphs after bladed gypsum crystals up to 30 mm across. The barite formed first, then quartz replaced the barite molecule by molecule resulting in quartz shaped after barite.
Overall Size:32x30x28 mm
Crystals:8-30 mm
Archived: For reference only

 

 

 

 

 

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