Marcasite 'star' in shale from Illinois. Marcasite is similar to pyrite,but it is whiter and does not form cubic crystals | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Joyce Photographics |
Taille de l’image : | 3647 px × 2430 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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