Wulfenite and Achroite Physical Properties

Wulfenite

Achroite

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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)

2.90-3.40

Uneven, ConchoidalWalter Schumann

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 Achroite Chemical Formula

While comparing Wulfenite and Achroite 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 Achroite chemical formula.

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Wulfenite and Achroite Specific Gravity

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