7) Quartz Crystal Point Fluorite Cube Average Size : 7 x

Average Size : 7 x 2 x 5 cm

Red Hematoid Quartz free form

Green Opal palmstone

all will have imperfections / chips or missing points not necessarily seen in the photos

Size : 5 cm approx

7) Quartz Crystal Point Fluorite Cube Average Size : 7 xPolished Quartz crystal point, from Madagascar Size : 8. 5 x 5. 5 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