Chrysoberyl and Star Ruby Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.69-3.81
3.95-4.10
Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Not Available
Mohs Hardness
8.5
Not Available
Chemical Composition
BeAl 2 O 4
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chrysoberyl and Star Ruby Chemical Formula
While comparing Chrysoberyl 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 Chrysoberyl and Star Ruby chemical formula.
- Chemical formula of Chrysoberyl- BeAl 2 O 4
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chrysoberyl and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.