Staurolite and Rhodizite Physical Properties

Staurolite

Rhodizite

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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.

3.34-3.44

Conchoidal

{111} Indistinct, {111} Indistinct, {111} Indistinct

8-8.5

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Staurolite and Rhodizite Chemical Formula

While comparing Staurolite and Rhodizite 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 Rhodizite chemical formula.

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Staurolite and Rhodizite Specific Gravity

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