20) Clear Quartz Crystal Freeform Unique Crystal Average Size : 8 x

Average Size : 8 x 4

It is believed to be a stone of tranquillity and peace

Natural Black Tourmaline quartz Matrix

Location : Madagascar

20) Clear Quartz Crystal Freeform Unique Crystal Average Size : 8 xQuartz Free Form High grade polished clear Quartz free form, from Madagascar Size : 11 x 5 x 7 cm approx. Weight : 599g 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,