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Gypsum : CaSO4·2H2O

Copyright © Leon Hupperichs
 
 
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Gypsum : CaSO4·2H2O

Copyright © Leon Hupperichs  - This image is copyrighted. Unauthorized reproduction prohibited.

Gypsum variety "satin spar".
Specimen size 7 x 6 cm.

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Photo added: 9th Dec 2011