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Chalcocite : Cu2S, Calcite : CaCO3

Copyright © Rock Currier
 
 
minID: 2N6-WF9

Chalcocite : Cu2S, Calcite : CaCO3

Copyright © Rock Currier  - This image is copyrighted. Unauthorized reproduction prohibited.

Chalcocite and Calcite. Specimen is from the collection of the British Museum of Natural History #33009 (1975). Scale at bottom of image is an inch with a rule at one cm.

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Photo added: 27th Dec 2009