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Indicolite Blue Tourmaline
Indicolite Blue Tourmaline

Gahnite
Gahnite



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Indicolite Blue Tourmaline
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Gahnite

Indicolite Blue Tourmaline and Gahnite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.05-3.114.00-4.62
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, Uneven
1.6 Cleavage
Not Available
Indistinct parting on [111]
1.7 Mohs Hardness
7-7.57.5-8
Amber
2 10
1.8 Chemical Composition
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.
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Indicolite Blue Tourmaline and Gahnite Chemical Formula

While comparing Indicolite Blue Tourmaline and Gahnite 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 Indicolite Blue Tourmaline and Gahnite 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.
  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Indicolite Blue Tourmaline and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Indicolite Blue Tourmaline and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Indicolite Blue Tourmaline and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Indicolite Blue Tourmaline is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.