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