Dravite and Indicolite Blue Tourmaline Physical Properties

Dravite

Indicolite Blue Tourmaline

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.03-3.183.05-3.11

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{???} Indistinct

Not Available

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.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.

Dravite and Indicolite Blue Tourmaline Chemical Formula

While comparing Dravite 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 Dravite and Indicolite Blue Tourmaline chemical formula.

Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.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

Dravite Vs Gadolinium Gallium Garnet

Dravite Vs Gahnite

Dravite Vs Fluorite

Dravite and Indicolite Blue Tourmaline Specific Gravity

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