Orange calcite crystal on fluorite crystals (purple) from the Denton Mine in southern Illinois. Crystal dimension: 3 cm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Schneider, Mark A. |
Taille de l’image : | 3739 px × 2272 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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