Aragonite and Indicolite Blue Tourmaline Physical Properties

Aragonite

Indicolite Blue Tourmaline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.963.05-3.11

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Not Available

1.6 Cleavage

Distinct on {010}, imperfect {110} and {011}

Not Available

1.7 Mohs Hardness

3.5-47-7.5

2 10

1.8 Chemical Composition

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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.

Aragonite and Indicolite Blue Tourmaline Chemical Formula

While comparing Aragonite 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 Aragonite and Indicolite Blue Tourmaline chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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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Aragonite and Indicolite Blue Tourmaline Specific Gravity

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