Calcite

Tom Loomis

Dakota Matrix Minerals

Origin: New Cornelia mine, Ajo, Pima Co., Arizona, U.S.A.

Owner: Lou Perloff

Microscopic image

 

Origin: Langban, Varmland, Sweden

Owner: Lou Perloff

Microscopic image

Photo courtesy of: 

Photo-Atlas of Minerals

     

Calcite with chalcopyrite-covered calcite Phantom

Origin: Kjorholt, Norway

Sample size: 3.5 x 1.7 x 1.5 cm

 

Manganoan calcite

Origin: Wessels Mine, Kalahari, South Africa

Sample size: 2.5 x 2.5 x 2.5 cm

 

Origin:  NChwaning II Mine, Kalahari, South Africa

Sample size: 2.5 x 1.5 x 1 cm

 

Calcite on pyrite

Origin: Gloria Mine, Kalahari, South Africa

Sample size: 2.7 x 2 x 1.25 cm

 

  

Calcite twin on calcite

Origin: Egremont, Cumberland, England

Sample size: 4.5 x 4 x 3 cm

 

  

Calcite with inclusions of cuprite

Origin: Bisbee, Cochise County, Arizona, U.S.A.
ex. Robert Linck Collection

Sample size: 6 x 4.5 x 2.5 cm

 

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This specimen consists of calcite twinned on 081.

  

This specimen consists of intergrown calcite crystals twinned on 081 and 001.

     

This specimen consists of complex intergrown calcite crystals twinned on 081 and 001 with silky white stilbite crystals.

Origin: Sambava, Antsirana, Madagascar, Africa

Sample size: 4.7 x 4 x 3 cm (top/2nd row), 3.2 x 2.6 x 2.3 cm (3rd/4th row), 3.4 x 2.5 x 2.3 cm (5th/bottom row)

 

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