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Staurolite
Staurolite

Spinel
Spinel



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Staurolite
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Spinel

Staurolite and Spinel Physical Properties

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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.
 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4

Staurolite and Spinel Chemical Formula

While comparing Staurolite and Spinel 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 Spinel chemical formula.

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Staurolite and Spinel Specific Gravity

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