Chlorastrolite and Star Ruby Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1-3.5
3.95-4.10
Fracture
Granular
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Not Available
Not Available
Mohs Hardness
5-6
Not Available
Chemical Composition
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chlorastrolite and Star Ruby Chemical Formula
While comparing Chlorastrolite 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 Chlorastrolite and Star Ruby chemical formula.
- Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chlorastrolite and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.