Vesuvianite and Indicolite Blue Tourmaline Physical Properties

Vesuvianite

Indicolite Blue Tourmaline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Vesuvianite is virtually insolouble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.433.05-3.11

1 7.18

1.5 Fracture

Conchoidal, Brittle

Not Available

1.6 Cleavage

Poor on {110} and {100} very poor on {001}

Not Available

1.7 Mohs Hardness

6-77-7.5

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.

Vesuvianite and Indicolite Blue Tourmaline Chemical Formula

While comparing Vesuvianite and Indicolite Blue 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 Vesuvianite and Indicolite Blue Tourmaline chemical formula.

Chemical formula of Indicolite Blue 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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Vesuvianite and Indicolite Blue Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Indicolite Blue Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Indicolite Blue Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 3.05-3.11 whereas that of Indicolite Blue Tourmaline is 3.05-3.11.