Staurolite and Edenite Physical Properties

Staurolite

Edenite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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.

Brittle

3.05-3.37

Conchoidal

Good on (110)

5-6

NaCa2Mg5Si7AlO22(OH)2

Staurolite and Edenite Chemical Formula

While comparing Staurolite and Edenite 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 Staurolite and Edenite chemical formula.

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Staurolite and Edenite Specific Gravity

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