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

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - 
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Calcite var. Manganoan from Idarado Mine, Ouray District, Ouray County, Colorado

 
Calcite var. Manganoan from Idarado Mine, Ouray District, Ouray County, Colorado

Calcite var. Manganoan from Idarado Mine, Ouray District, Ouray County, Colorado

Photo below under shortwave ultraviolet illumination:
Calcite var. Manganoan from Idarado Mine, Ouray District, Ouray County, Colorado

DESCRIPTION:No. 38020
Mineral:Calcite var. Manganoan
Locality:Idarado Mine, Ouray District, Ouray County, Colorado
Description:Translucent pink calcite crystals colored by manganese impurities. The calcite crystals are scalenohedral form, with rhombohedral terminations and fluoresce orange under UV illumination.
Overall Size:6.5x5x5 cm
Crystals:5-30 mm
Archived: For reference only

 

 

 

 

 

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