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