Indicolite Blue Tourmaline and Fayalite Physical Properties

Indicolite Blue Tourmaline

Fayalite

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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

3.05-3.114.392

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Not Available

{010} moderate, {100} imperfect

1.7 Mohs Hardness

7-7.56.5-7

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.

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Indicolite Blue Tourmaline and Fayalite Chemical Formula

While comparing Indicolite Blue Tourmaline and Fayalite 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 Fayalite 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 Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Indicolite Blue Tourmaline and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Indicolite Blue Tourmaline and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Indicolite Blue Tourmaline and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Indicolite Blue Tourmaline is 4.392 whereas that of Fayalite is 4.392.