Turquoise and Andalusite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.90
3.05-3.21
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Good to perfect_usually N/A
Good on {110}, poor on {100}
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Turquoise and Andalusite Chemical Formula
While comparing Turquoise and Andalusite 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 Andalusite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Turquoise and Andalusite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.