Hibschite and Star Ruby Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.05-3.08
3.95-4.10
Fracture
Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
None
Not Available
Mohs Hardness
6.5
Not Available
Chemical Composition
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Hibschite and Star Ruby Chemical Formula
While comparing Hibschite 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 Hibschite and Star Ruby chemical formula.
- Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Hibschite and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibschite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibschite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Hibschite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.