Calcite on Black Druzy Quartz wyoming - Provides evidence of ancient

- Provides evidence of ancient plant life and evolution

This process occurs when silica-rich sediments are compressed and cemented together

5-6 (sodalite) and 6-7 (syenite) on the Mohs scale

Size: 32 x 15 x 1 Cm (Avg)

- Luster: Vitreous (glassy)

Calcite on Black Druzy Quartz wyoming - Provides evidence of ancientSize: 24. 5 x 8 x 15 cm Weight: 1. 7 Kg Location : China Product Description Natural mineral specimen featuring calcite crystals resting on a sparkling layer of black druzy quartz. The druzy surface forms when countless tiny quartz crystals grow together inside a cavity, creating a glittering base. Calcite, a calcium carbonate mineral, crystallizes later from mineral rich fluids, adding contrast in color and crystal shape. A dramatic and eye catching