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Afghanite
Afghanite

Hurlbutite
Hurlbutite



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Afghanite
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Hurlbutite

Afghanite and Hurlbutite 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)
 
-
-
-
2.90
Conchoidal
None
6
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Afghanite and Hurlbutite Chemical Formula

While comparing Afghanite and Hurlbutite 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 Hurlbutite chemical formula.

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Afghanite and Hurlbutite Specific Gravity

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