Gahnospinel and Star Ruby Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.65-4.55
3.95-4.10
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
None, but may exhibit slight parting
Not Available
Mohs Hardness
7.5-8
Not Available
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Gahnospinel and Star Ruby Chemical Formula
While comparing Gahnospinel 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 Gahnospinel and Star Ruby chemical formula.
- Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Gahnospinel and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gahnospinel and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.