AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Calcite var. Cobaltoan Calcite

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Calcite var. Cobaltoan Calcite from Tynebottom Mine, Garrigill, Alston Moor District, Cumbria, England

 
Calcite var. Cobaltoan Calcite from Tynebottom Mine, Garrigill, Alston Moor District, Cumbria, England

Calcite var. Cobaltoan Calcite from Tynebottom Mine, Garrigill, Alston Moor District, Cumbria, England

Photo below under shortwave ultraviolet illumination:
Calcite var. Cobaltoan Calcite from Tynebottom Mine, Garrigill, Alston Moor District, Cumbria, England

DESCRIPTION:No. 54438
Mineral:Calcite var. Cobaltoan Calcite
Locality:Tynebottom Mine, Garrigill, Alston Moor District, Cumbria, England
Description:Thin layer of 1 mm botryoidal calcite on gray matrix. Most of the calcite is pinkish-gray with areas of deeper magenta color caused by cobalt impurities (variety cobaltoan calcite). The calcite fluoresces under UV illumination. Collected by John and Robert Lawson in May 1987
Overall Size:4x2x1 cm
Crystals:1 mm
Status: Sold - Posted here for reference only
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