Nickeline and Afghanite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
Not Available
2.55-2.65
Fracture
Conchoidal, Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Cleavage
{1010} Imperfect, {0001} Imperfect
Perfect {10 1 0}
Mohs Hardness
5-5.5
5.5-6
Chemical Composition
Not Available
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Nickeline and Afghanite Chemical Formula
While comparing Nickeline and Afghanite 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 Nickeline and Afghanite 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)
Nickeline and Afghanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Nickeline and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Nickeline is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.