Variscite and Star Ruby Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.42-2.58
3.95-4.10
Fracture
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
[010] perfect
Not Available
Mohs Hardness
4-5
Not Available
Chemical Composition
AlPO4 · 2(H2O)
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Variscite and Star Ruby Chemical Formula
While comparing Variscite and Star Ruby 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 Variscite and Star Ruby chemical formula.
- Chemical formula of Variscite- AlPO4 · 2(H2O)
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Variscite and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Variscite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Variscite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.