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Zoisite
Zoisite

Variscite
Variscite



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Zoisite
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Variscite

Zoisite and Variscite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.20-3.50
Uneven, Conchoidal, Even
Perfect {010} imperfect {100}
6-7
Ca2Al3(SiO4)3(OH)
 
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-
-
2.42-2.58
Conchoidal, Splintery, ConchoidalWalter Schumann
[010] perfect
4-5
AlPO4 · 2(H2O)

Zoisite and Variscite Chemical Formula

While comparing Zoisite and Variscite 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 Zoisite and Variscite chemical formula.

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Zoisite and Variscite Specific Gravity

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