AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Africa > Calcite var. Manganocalcite

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Calcite var. Manganocalcite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

 
Calcite var. Manganocalcite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Calcite var. Manganocalcite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Photo below under shortwave ultraviolet illumination:
Calcite var. Manganocalcite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

DESCRIPTION:No. 60875
Mineral:Calcite var. Manganocalcite
Locality:N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa
Description:Translucent pink manganese-rich calcite crystals in rounded finger-like aggregates to 8 mm composed of rhombohedral calcite crystals. These are commonly sold labeled as Manganocalcite or Manganoan Calcite, but the species is Calcite.
Overall Size:4x3.8x3.5 cm
Crystals:2-5 mm
Archived: For reference only

 

 

 

 

 

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