Verdelite and Wulfenite Physical Properties

Verdelite

Wulfenite

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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.

Brittle

6.50-7.00

Irregular, Conchoidal

On {011}, distinct; on {001}, {013}, indistinct

PbMoO 4Walter Schumann , Gemstones of the world (2001)

Verdelite and Wulfenite Chemical Formula

While comparing Verdelite and Wulfenite 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 Wulfenite chemical formula.

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Verdelite and Wulfenite Specific Gravity

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