Azurite and Staurolite Physical Properties

Azurite

Staurolite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.70-3.90

Conchoidal

Perfect on {011}, fair on {100}, poor on {110}

3.5-4

Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Brittle

3.7-3.8

Subconchoidal, Conchoidal

Distinct on {010}

7-7.5

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Azurite and Staurolite Chemical Formula

While comparing Azurite and Staurolite 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 Azurite and Staurolite chemical formula.

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Azurite and Staurolite Specific Gravity

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