Achroite and Wulfenite Physical Properties

Achroite

Wulfenite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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.

Brittle

6.50-7.00

Irregular, Conchoidal

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

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

Achroite and Wulfenite Chemical Formula

While comparing Achroite 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 Achroite and Wulfenite chemical formula.

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Achroite and Wulfenite Specific Gravity

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