Jet lignite and Verdelite Physical Properties

Jet lignite

Verdelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

1.30-1.34

None

2.5

2.90-3.40

Conchoidal

Indiscernible

7-7.5

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.

Jet lignite and Verdelite Chemical Formula

While comparing Jet lignite and Verdelite 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 Jet lignite and Verdelite chemical formula.

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Jet lignite and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jet lignite and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jet lignite Vs Verdelite during the identification of gemstone. Specific gravity of Jet lignite is whereas that of Verdelite is .