Andesine and Star Ruby Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65-2.69
3.95-4.10
Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Perfect on {001}, good on {010}
Not Available
Mohs Hardness
6-6.5
Not Available
Chemical Composition
(Na,Ca)Al1-2Si3-2O8
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Andesine and Star Ruby Chemical Formula
While comparing Andesine 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 Andesine and Star Ruby chemical formula.
- Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Andesine and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andesine and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Andesine is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.