Piemontite and Variscite Physical Properties

Piemontite

Variscite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.42-2.58

1 7.18

1.5 Fracture

Uneven, Splintery

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

[001] good, [100] distinct

[010] perfect

1.7 Mohs Hardness

6-6.54-5

2 10

1.8 Chemical Composition

Not Available

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.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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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 and Variscite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 2.42-2.58 whereas that of Variscite is 2.42-2.58.