Turquoise consists of aluminum and copper Distinctive phosphate ((CuAl 6 (PO4) 4 (OH) 8 · 4H2O)). The turquoise color is blue has often tends to green if contains iron atoms. A stone easy scratching light weight is very weak and punctuated fractures pluteaceae shape and at risk of Bacharokh.
Malachite (Malachite)
Malachite a copper carbonate consists Almmah (Cu2CO3 (OH 2)). The color is predominantly malachite green and dark structure containing the circular and longitudinal lines.
.png)
