Wernerite and Verdelite Physical Properties

Wernerite

Verdelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.50-2.80

Perfect

5-6.5

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

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.

Wernerite and Verdelite Chemical Formula

While comparing Wernerite 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 Wernerite and Verdelite chemical formula.

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Wernerite and Verdelite Specific Gravity

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