Verdelite and Star Ruby Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
3.95-4.10
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Not Available
Not Available
Mohs Hardness
7-7.5
Not Available
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Verdelite and Star Ruby Chemical Formula
While comparing Verdelite 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 Verdelite and Star Ruby chemical formula.
- Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Verdelite and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Verdelite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.