Gahnospinel and Indicolite Blue Tourmaline Physical Properties

Gahnospinel

Indicolite Blue Tourmaline

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1 Physical Properties

1.2 Tenacity

Not Available

1.4 Solubility

Not Available

1.7 Durability

Not Available

1.9 Specific Gravity

3.65-4.553.05-3.11

1 7.18

1.10 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.11 Cleavage

None, but may exhibit slight parting

Not Available

1.12 Mohs Hardness

7.5-87-7.5

2 10

1.13 Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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.

Gahnospinel and Indicolite Blue Tourmaline Chemical Formula

While comparing Gahnospinel 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 Gahnospinel and Indicolite Blue Tourmaline chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
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.

Compare Blue Gemstones

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Hydrogrossular

Gahnospinel and Indicolite Blue Tourmaline Specific Gravity

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