Dioptase and Indicolite Blue Tourmaline Physical Properties

Dioptase

Indicolite Blue Tourmaline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.353.05-3.11

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Not Available

1.6 Cleavage

Perfect in three directions

Not Available

1.7 Mohs Hardness

57-7.5

2 10

1.8 Chemical Composition

CuSiO 2(OH) 2Michael 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.

Dioptase and Indicolite Blue Tourmaline Chemical Formula

While comparing Dioptase 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 Dioptase and Indicolite Blue Tourmaline chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael 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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Dioptase and Indicolite Blue Tourmaline Specific Gravity

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