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Witherite
Witherite

Afghanite
Afghanite



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Witherite
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Afghanite

Witherite and Afghanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.27-4.35
Conchoidal
{010} Distinct
3-3.5
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
-
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)

Witherite and Afghanite Chemical Formula

While comparing Witherite 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 Witherite and Afghanite chemical formula.

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Witherite and Afghanite Specific Gravity

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