Tourmaline and Turquoise Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.85-3.35
2.30-2.90
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Indistinct
Good to perfect_usually N/A
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
CuAl6(PO4)4(OH)8 • 4H2O
Tourmaline and Turquoise Chemical Formula
While comparing Tourmaline and Turquoise 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 Tourmaline and Turquoise chemical formula.
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
Tourmaline and Turquoise Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tourmaline and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.