Wulfenite and Rubellite Physical Properties

Wulfenite

Rubellite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

6.50-7.00

Irregular, Conchoidal

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

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

3.01-3.06

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.

Wulfenite and Rubellite Chemical Formula

While comparing Wulfenite and Rubellite 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 Wulfenite and Rubellite chemical formula.

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Wulfenite and Rubellite Specific Gravity

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