Wernerite and Afghanite Physical Properties

Wernerite

Afghanite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.50-2.80

Perfect

5-6.5

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

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)

Wernerite and Afghanite Chemical Formula

While comparing Wernerite 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 Wernerite and Afghanite chemical formula.

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Wernerite and Afghanite Specific Gravity

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