Lawsonite and Verdelite Physical Properties

Lawsonite

Verdelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.09

Uneven

Perfect on {100} and {010}, imperfect on {101}

CaAl2Si2O7(OH)2.H2O

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.

Lawsonite and Verdelite Chemical Formula

While comparing Lawsonite 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 Lawsonite and Verdelite chemical formula.

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Lawsonite and Verdelite Specific Gravity

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