Vishnevite and Watermelon Tourmaline Physical Properties

Vishnevite

Watermelon 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 Available2.90-3.40

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)

1.6 Cleavage

Perfect

Not Available

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

Not Available

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Vishnevite and Watermelon Tourmaline Chemical Formula

While comparing Vishnevite and Watermelon 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 Watermelon Tourmaline chemical formula.

Chemical formula of Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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Vishnevite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.