AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Arkansas > Calcite - Twinned Crystals

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Calcite - Twinned Crystals from Smith Quarry, Black Rock, Lawrence County, Arkansas

 
Calcite - Twinned Crystals from Smith Quarry, Black Rock, Lawrence County, Arkansas

Calcite - Twinned Crystals from Smith Quarry, Black Rock, Lawrence County, Arkansas

DESCRIPTION:No. 45983
Mineral:Calcite - Twinned Crystals
Locality:Smith Quarry, Black Rock, Lawrence County, Arkansas
Description:Transparent colorless calcite crystals with golden-colored limonitic surface coating on some faces. The calcite crystals are not doubly-terminated, they are twinned on the {00·1} plane with the twin plane easily visible running through the centers. Ex Doris Biggs Collection
Overall Size:11x9x6 cm
Crystals:5-60 mm
Archived: For reference only

 

 

 

 

 

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