Emerald and Vishnevite Physical Properties

Emerald

Vishnevite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.78

Not Available

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Brittle, Uneven

1.6 Cleavage

Imperfect on the [0001]

Perfect

1.7 Mohs Hardness

7.5-8

5-6

1.8 Chemical Composition

Be₃Al₂SiO₆

Not Available

Emerald and Vishnevite Chemical Formula

While comparing Emerald and Vishnevite 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 Emerald and Vishnevite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆

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Emerald and Vishnevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Vishnevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Vishnevite Optical Properties during the identification of gemstone. Specific gravity of Emerald is Not Available whereas that of Vishnevite is Not Available.