Rossmanite and Turquoise Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3
2.30-2.90
Fracture
Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
None
Good to perfect_usually N/A
Mohs Hardness
Not Available
5-6
Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
CuAl6(PO4)4(OH)8 • 4H2O
Rossmanite and Turquoise Chemical Formula
While comparing Rossmanite 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 Rossmanite and Turquoise chemical formula.
- Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
Rossmanite and Turquoise Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rossmanite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.