Turquoise
Mighty Mineral
About Turquoise
- Chemical Formula: CuAl6(Po4)4(OH8)*5(H2O)
- Mineral Group: Phosphates
- Hardness: 5-6
- Specific Gravity: 2.6 - 2.8
- Transparency: Specimens are Opaque
- Colors: Turquoise, but the color varies from greenish blue to sky blue shades
- Streak: White with a green tint
- Luster: Dull to waxy
- Cleavage: Perfect in two directions, but is not seen often
- Fracture: Smooth
Important Uses
- Turquoise is mostly used for jewlery
Facts
- The finest Turquoise can be found Iran
- Turquoise is Iran national gemstone
- Turquoise is a valuable mineral and is possibly the most valuable , non transparent , mineral in jewelry trade
- Turquoise is usually imitated by fakes , like the mineral Chyscolla