Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). It has a Mohs Scale hardness of 3. Approximate specimen dimension: 6 x 6 x 6 cm. Denton Mine,Southern Illinois | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Schneider, Mark A. |
Taille de l’image : | 2832 px × 4256 px |
Model Release : | Non requis |
Restrictions : |
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