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Afghanite and Zinnwaldite Physical Properties


Zinnwaldite and Afghanite Physical Properties


Physical Properties

Tenacity
Not Available   
Elastic   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.65   
2.9-3.1   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle   
Uneven   

Cleavage
Perfect {10 1 0}   
Perfect basal {001}   

Mohs Hardness
5.5-6   
3.5-4.0   

Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)   
Not Available   

Optical Properties >>
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Afghanite and Zinnwaldite Chemical Formula

While comparing Afghanite and Zinnwaldite 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 Zinnwaldite chemical formula.

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Afghanite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.

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