Perfectly round spherulites of calcite in a calcitic groundmass. Rings of finely crystalline radial calcite are encircled by thin rings of dark mineral. Actual width of sample is 120 mm. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4999 px × 3648 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |