Spodumene and Rubellite Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.15-3.21
3.01-3.06
Fracture
Uneven, Subconchoidal, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Not Available
Chemical Composition
LiAlSi2O6
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.
Spodumene and Rubellite Chemical Formula
While comparing Spodumene and Rubellite 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 Spodumene and Rubellite chemical formula.
- Chemical formula of Spodumene- LiAlSi2O6
- 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.
Spodumene and Rubellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spodumene and Rubellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Rubellite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.01-3.06 whereas that of Rubellite is 3.01-3.06.