Afghanite and Sodalite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.55-2.65
2.15-2.40
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Cleavage
Perfect {10 1 0}
Poor on {110}
Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Na8Al6Si6O24Cl2
Afghanite and Sodalite Chemical Formula
While comparing Afghanite and Sodalite 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 Afghanite and Sodalite chemical formula.
- Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
- Chemical formula of Sodalite- Na8Al6Si6O24Cl2
Afghanite and Sodalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Afghanite and Sodalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Sodalite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 2.15-2.40 whereas that of Sodalite is 2.15-2.40.