Spodumene and Afghanite Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.15-3.21
2.55-2.65
Fracture
Uneven, Subconchoidal, Gemstones (2009)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Perfect {10 1 0}
Chemical Composition
LiAlSi2O6
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Spodumene and Afghanite Chemical Formula
While comparing Spodumene 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 Spodumene and Afghanite chemical formula.
- Chemical formula of Spodumene- LiAlSi2O6
- Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Spodumene and Afghanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spodumene and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.