Unakite and Staurolite Physical Properties

Unakite and Staurolite Chemical Formula

While comparing Unakite 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 Unakite and Staurolite chemical formula.

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• Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Unakite and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Unakite and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Unakite and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Unakite is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.