Rubellite and Gahnospinel Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.01-3.06
3.65-4.55
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
None, but may exhibit slight parting
Mohs Hardness
7-7.5
7.5-8
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.
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Rubellite and Gahnospinel Chemical Formula
While comparing Rubellite and Gahnospinel 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 Rubellite and Gahnospinel chemical formula.
- Chemical formula of Rubellite- 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 Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Rubellite and Gahnospinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rubellite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.