×

Gahnite
Gahnite

Afghanite
Afghanite



ADD
Compare
X
Gahnite
X
Afghanite

Gahnite and Afghanite Physical Properties

Add ⊕
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
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)

Gahnite and Afghanite Chemical Formula

While comparing Gahnite 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 Gahnite and Afghanite chemical formula.

    >>

Gahnite and Afghanite Specific Gravity

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