Advertisement Product description:Turquoise is one of the most admired and liked sub stones. It is basically an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl6 (PO4)4(OH) 4H2O. It is rare and valuable in finer grades and has been prized as a gem and ornamental stone for thousands of years owing to its unique hue. |
