Turquoise and Pyrophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.90
2.65-2.90
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Gemstones (2009), Flexible Flexible fragments.
Cleavage
Good to perfect_usually N/A
{001} Perfect
Mohs Hardness
5-6
Not Available
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Turquoise and Pyrophyllite Chemical Formula
While comparing Turquoise and Pyrophyllite 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 Pyrophyllite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Turquoise and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.