×

Afghanite
Afghanite

Polyhalite
Polyhalite



ADD
Compare
X
Afghanite
X
Polyhalite

Afghanite and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.65
Conchoidal
Perfect {10 1 0}
5.5-6
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Afghanite and Polyhalite Chemical Formula

While comparing Afghanite and Polyhalite 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 Polyhalite chemical formula.

    >>

Afghanite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite Vs Polyhalite during the identification of gemstone. Specific gravity of Afghanite is whereas that of Polyhalite is .