10) Clear Quartz Crystal Point Tourmalinated Quartz Size: 10 x 4 x

Size: 10 x 4 x 7 cm approx

Size: 12 x 4

Weight : 4 KG

This captivating effect

Average Weight : 185g approx

10) Clear Quartz Crystal Point Tourmalinated Quartz Size: 10 x 4 xPolished clear Quartz crystal point, from Madagascar Size : 10 x 6 cm 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, varieties of quartz have been the most commonly used