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Piemontite
Piemontite

Variscite
Variscite



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Piemontite
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Variscite

Piemontite and Variscite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)
 
-
-
-
2.42-2.58
Conchoidal, Splintery, ConchoidalWalter Schumann
[010] perfect
4-5
AlPO4 · 2(H2O)

Piemontite and Variscite Chemical Formula

While comparing Piemontite 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 Piemontite and Variscite chemical formula.

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Piemontite and Variscite Specific Gravity

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