Achroite and Rubellite Tourmaline Physical Properties

Achroite

Rubellite Tourmaline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.40Not Available

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Not Available

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

7-7.52.5-3

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.

Achroite and Rubellite Tourmaline Chemical Formula

While comparing Achroite and Rubellite 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 Achroite and Rubellite Tourmaline chemical formula.

Chemical formula of Achroite- 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 Rubellite Tourmaline- Ag

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Achroite and Rubellite Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Rubellite Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Rubellite Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Achroite is Not Available whereas that of Rubellite Tourmaline is Not Available.