Verdelite and Zoisite Physical Properties

Verdelite

Zoisite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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.

3.20-3.50

Uneven, Conchoidal, Even

Perfect {010} imperfect {100}

6-7

Ca₂Al₃(SiO₄)₃(OH)

Verdelite and Zoisite Chemical Formula

While comparing Verdelite and Zoisite 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 Zoisite chemical formula.

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Verdelite and Zoisite Specific Gravity

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