French Minerals and Crystals of the World
65,00€
Black authigenic quartz crystal on anhydrite matrix from Rio Canalaccio, Emilia-Romagna, Italy. Authigenic quartz in saliferous terrains, frequently associated with gypsum itself and loaded with anhydrite inclusions, seems to have originated during the evaporation period. The term, as used, often refers to a mineral (such as quartz or feldspar) formed after the deposition of the original sediment.
Black authigenic quartz crystal on anhydrite matrix from Rio Canalaccio, Emilia-Romagna, Italy. Authigenic quartz in saliferous terrains, frequently associated with gypsum itself and loaded with anhydrite inclusions, seems to have originated during the evaporation period. The term, as used, often refers to a mineral (such as quartz or feldspar) formed after the deposition of the original sediment.
This post is also available in: French
| Weight | 0,270 kg |
|---|---|
| Dimensions | 8 × 7 × 2,5 cm |
Out of stock
