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Afghanite
Afghanite

Annabergite
Annabergite



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Afghanite
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Annabergite

Afghanite and Annabergite 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)
 
Sectile
-
-
3.07
-
Perfect on {010}, indistinct on {100} and {102}
2
Ni3(AsO4)2•8(H2O)

Afghanite and Annabergite Chemical Formula

While comparing Afghanite and Annabergite 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 Annabergite chemical formula.

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Afghanite and Annabergite Specific Gravity

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