Indicolite Blue Tourmaline and Goethite Physical Properties

Indicolite Blue Tourmaline

Goethite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.114.27-4.29

1 7.18

1.5 Fracture

Not Available

Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).

1.6 Cleavage

Not Available

Perfect {010}

1.7 Mohs Hardness

7-7.55-5.5

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.

FeO(OH)Arthur Thomas , Gemstones (2009)

Indicolite Blue Tourmaline and Goethite Chemical Formula

While comparing Indicolite Blue Tourmaline and Goethite 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 Goethite 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 Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

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Indicolite Blue Tourmaline and Goethite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Indicolite Blue Tourmaline and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Indicolite Blue Tourmaline and Goethite Optical Properties during the identification of gemstone. Specific gravity of Indicolite Blue Tourmaline is 4.27-4.29 whereas that of Goethite is 4.27-4.29.