AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Aragonite with Calcite over Dolomite

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Aragonite with Calcite over Dolomite from Johnby Quarry, near Penrith, Cumbria, England

 
Aragonite with Calcite over Dolomite from Johnby Quarry, near Penrith, Cumbria, England

Aragonite with Calcite over Dolomite from Johnby Quarry, near Penrith, Cumbria, England

Aragonite with Calcite over Dolomite from Johnby Quarry, near Penrith, Cumbria, England

Photo below under shortwave ultraviolet illumination:
Aragonite with Calcite over Dolomite from Johnby Quarry, near Penrith, Cumbria, England

DESCRIPTION:No. 39348
Mineral:Aragonite with Calcite over Dolomite
Locality:Johnby Quarry, near Penrith, Cumbria, England
Description:Elongated, tapered water-clear aragonite crystals up to 12 mm long, a few with overgrowth of colorless calcite, on pink dolomite. Labeled as calcite pseudomorphs after aragonite, but it is only a partial coating - not an alteration. Most are incomplete. Ex. Steve Chamberlain collection #4558, collected in 1981
Overall Size:10x6x6 cm
Crystals:1-12 mm
Archived: For reference only

 

 

 

 

 

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