18) Clear Quartz Crystal Freeform Feldspa Crystal A large natural black tourmaline

A large natural black tourmaline crystal from Brazil

Labradorite crystal fully polished of exceptional grade with full flash

A unique blend of Amethyst and Smoky Quartz

5 x 1 x 4 cm approx

reminiscent of the ethereal Northern Lights

18) Clear Quartz Crystal Freeform Feldspa Crystal A large natural black tourmalineQuartz Free Form High grade polished clear Quartz free form, from Madagascar Size : 8 x 3. 5 x 6 cm approx. Weight : 339g approx. Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 siliconoxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar. Since antiquity,