Almandine is naturally occurring mineral,a species of the garnet group,chemically a silicate of the metals iron (bivalent) and aluminum (Fe3Al2Si3O12). Its crystal system is isometric,the crystal habit often being well-developed rhombic dodecahedral shapes,colored a characteristic brownish-red. It occurs in schists and other metamorphic rocks as seen in this sample from near Lake Martin in Alabama,USA,and actual width 130 mm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5437 px × 3671 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |