Cobalt-bearing Calcite

Big Photo

Spain
6.44 carats
© Rarestone.com

A pink to purple cobalt-bearing variety of Calcite.

Also known as Aphrodite Stone.

Cuttable material comes from Spain.

Cobalt-bearing Calcite Gemstones by Colour

This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
 
 
 

Cobalt-bearing Calcite Gemstones by Size

This table shows distribution of Cobalt-bearing Calcite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:0.32 cts
Heaviest:33.65 cts
Average:6.29 cts
Total photos:9
Do you have a larger Cobalt-bearing Calcite? Why not upload a photo?
0.32ct to 3.65ct3.65ct to 6.99ct6.99ct to 10.32ct10.32ct to 13.65ct13.65ct to 16.99ct16.99ct to 20.32ct20.32ct to 23.65ct23.65ct to 26.98ct26.98ct to 30.32ct30.32ct to 33.65ct
General Information
A variety or type of:Calcite
Chemical Formula
(Ca,Co)CO
 
3
Gemdat.org, Management Team (2012)
Colour
Colour (General)Pink to purple
Gemdat.org, Management Team (2012)
Causes of ColourCo2+ partial replacement for calcium in calcite structure.
Gemdat.org, Management Team (2012)
Further Information
Mineral information:Cobalt-bearing Calcite information at mindat.org
Significant Gem Localities
DR Congo
 
  • Lualaba
    • Mutshatsha
      • Sicomines copper-cobalt project
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