Turquoise and Montebrasite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.90
2.98-3.10
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Good to perfect_usually N/A
{100} Perfect, {110} Good, {011} Distinct
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Turquoise and Montebrasite Chemical Formula
While comparing Turquoise and Montebrasite 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 Montebrasite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Turquoise and Montebrasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.