Rubellite and Carnallite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3.01-3.06
1.6
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Violet, Conchoidal, Brittle, Conchoidal, Brittle
Cleavage
Not Available
None
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.
KMgCl3•6(H2O)
Rubellite and Carnallite Chemical Formula
While comparing Rubellite and Carnallite 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 Carnallite 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 Carnallite- KMgCl3•6(H2O)
Rubellite and Carnallite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rubellite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 1.6 whereas that of Carnallite is 1.6.