Vishnevite and Tourmaline Physical Properties

Vishnevite

Tourmaline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.85-3.35

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect

Indistinct

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

Not Available

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Vishnevite and Tourmaline Chemical Formula

While comparing Vishnevite and Tourmaline 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 Tourmaline chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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Vishnevite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.