Vishnevite and Andesine Physical Properties

Vishnevite

Andesine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.65-2.69

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect

Perfect on {001}, good on {010}

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

Not Available

(Na,Ca)Al_1-2Si_3-2O₈

Vishnevite and Andesine Chemical Formula

While comparing Vishnevite and Andesine 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 Andesine chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Vishnevite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.