Turquoise and Caledonite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.90
5.6-5.76
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Cleavage
Good to perfect_usually N/A
[001] perfect; [100] distinct
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Turquoise and Caledonite Chemical Formula
While comparing Turquoise and Caledonite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Turquoise and Caledonite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Turquoise and Caledonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.