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Variscite
Variscite

Andradite
Andradite



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Variscite
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Andradite

Variscite and Andradite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.42-2.58
Conchoidal, Splintery, ConchoidalWalter Schumann
[010] perfect
4-5
AlPO4 · 2(H2O)
 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Variscite and Andradite Chemical Formula

While comparing Variscite and Andradite 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 Variscite and Andradite chemical formula.

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Variscite and Andradite Specific Gravity

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