AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Nebraska > Quartz pseudomorph 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 pseudomorph after Gypsum from Crawford, Dawes County, Nebraska

 
Quartz pseudomorph after Gypsum from Crawford, Dawes County, Nebraska

Quartz pseudomorph after Gypsum from Crawford, Dawes County, Nebraska

DESCRIPTION:No. 13868
Mineral:Quartz pseudomorph after Gypsum
Locality:Crawford, Dawes County, Nebraska
Description:translucent gray quartz pseudomorphs after bladed gypsum crystals to 15 mm. The gypsum crystallized first, then was replaced molecule by molecule with quartz, maintaining the original shape of the gypsum but with new composition.
Overall Size:25x20x15 mm
Crystals:5-15 mm
Archived: For reference only

 

 

 

 

 

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