Turquoise and Schorl Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.90
3.18-3.22
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Good to perfect_usually N/A
{1011} Indistinct
Mohs Hardness
5-6
Not Available
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Turquoise and Schorl Chemical Formula
While comparing Turquoise and Schorl 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 Schorl chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Turquoise and Schorl Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Schorl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Schorl Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 3.18-3.22 whereas that of Schorl is 3.18-3.22.