Gold Quartz Tumbled Stones - Small 15 - 25 mm - 500 Gram (1.1 lb.) - India Wind Chimes of an issue

of an issue

Lot-45-3 Smallest pieces =*$39

Very rich colours

variable in impure varieties Optical properties" Uniaxial (+) Refractive index: nù = 1

Gold Quartz Tumbled Stones - Small 15 - 25 mm - 500 Gram (1.1 lb.) - India Wind Chimes of an issueQUARTZ Quartz is the second most abundant mineral in the Earth's continental crust, after feldspar. It is made up of a continuous framework of SiO4 silicon oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO2. There are many different varieties of quartz, several of which are semi precious gemstones. Especially in Europe and the Middle East, varieties of quartz have been since antiquity the most