Verdelite and Chrome Tourmaline Physical Properties

Verdelite

Chrome 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

2.90-3.402.85-3.35

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

3,2

1.7 Mohs Hardness

7-7.57-7.5

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.

Tourmaline is a series of several different minerals with unique chemical formulas.

Verdelite and Chrome Tourmaline Chemical Formula

While comparing Verdelite and Chrome 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 Verdelite and Chrome Tourmaline chemical formula.

Chemical formula of Verdelite- 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 Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Verdelite and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdelite and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.