Turquoise and Bertrandite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.90
2.59-2.60
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Brittle, Metallic, Brittle, Metallic
Cleavage
Good to perfect_usually N/A
{001} Perfect, {110} Distinct, {101} Distinct
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Turquoise and Bertrandite Chemical Formula
While comparing Turquoise and Bertrandite 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 Bertrandite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Turquoise and Bertrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.