Boulder Opal and Turquoise Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
1.98-2.25
2.30-2.90
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Not Available
Good to perfect_usually N/A
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
CuAl6(PO4)4(OH)8 • 4H2O
Boulder Opal and Turquoise Chemical Formula
While comparing Boulder Opal and Turquoise 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 Boulder Opal and Turquoise chemical formula.
- Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
Boulder Opal and Turquoise Specific Gravity
Another important criteria for qualitative analysis of gemstones is Boulder Opal and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.