Variscite and Aragonite Physical Properties

Variscite

Aragonite

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Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

Durability

Specific Gravity

2.42-2.582.93-2.96

1 7.18

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Fracture

Conchoidal, Splintery, ConchoidalWalter Schumann

Subconchoidal, Conchoidal

Cleavage

[010] perfect

Distinct on {010}, imperfect {110} and {011}

Mohs Hardness

4-53.5-4

2 10

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Chemical Composition

AlPO₄ · 2(H₂O)

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Variscite and Aragonite Chemical Formula

While comparing Variscite and Aragonite 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 Aragonite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Virgo

Variscite Vs Tanzanite

Variscite Vs Sugilite

Variscite Vs Jasper

Variscite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Variscite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Variscite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.