Turquoise and Pollucite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Soluble
Readily soluble in HF
Durability
Not Available
Not Available
Specific Gravity
2.30-2.90
2.86-2.94
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Good to perfect_usually N/A
None observed
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Turquoise and Pollucite Chemical Formula
While comparing Turquoise and Pollucite 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 Pollucite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Turquoise and Pollucite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.