Goshenite and Indicolite Blue Tourmaline Physical Properties

Goshenite

Indicolite Blue 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

2.60-2.90

3.05-3.11

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

3,1 basal

Not Available

1.7 Mohs Hardness

7.5-8

7-7.5

1.8 Chemical Composition

Be₃Al₂SiO₆

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.

Goshenite and Indicolite Blue Tourmaline Chemical Formula

While comparing Goshenite 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 Goshenite and Indicolite Blue Tourmaline chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆
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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Goshenite and Indicolite Blue Tourmaline Specific Gravity

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