Vishnevite and Aragonite Physical Properties

Vishnevite

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available

2.93-2.96

1.5 Fracture

Brittle, Uneven

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Perfect

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

1.7 Mohs Hardness

5-6

3.5-4

1.8 Chemical Composition

Not Available

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

Vishnevite and Aragonite Chemical Formula

While comparing Vishnevite 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 Vishnevite and Aragonite chemical formula.

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

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Vishnevite and Aragonite Specific Gravity

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