Afghanite and Gaspeite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
HCl soluble
Durability
Not Available
Not Available
Specific Gravity
2.55-2.65
3.71
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Uneven
Cleavage
Perfect {10 1 0}
{10 1 1} Good
Mohs Hardness
5.5-6
4.5-5
Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
(Ni,Mg,Fe++)CO3
Afghanite and Gaspeite Chemical Formula
While comparing Afghanite and Gaspeite 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 Gaspeite 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 Gaspeite- (Ni,Mg,Fe++)CO3
Afghanite and Gaspeite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Afghanite and Gaspeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Gaspeite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.71 whereas that of Gaspeite is 3.71.