Rubellite and Kurnakovite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3.01-3.06
1.847-1.852
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Brittle, Conchoidal
Cleavage
Not Available
Poor to indistinct on {010}
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.
Not Available
Rubellite and Kurnakovite Chemical Formula
While comparing Rubellite and Kurnakovite 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 Kurnakovite 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.
>
Rubellite and Kurnakovite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rubellite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.