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Staurolite
Staurolite

Feldspar
Feldspar



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Staurolite
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Feldspar

Staurolite and Feldspar Physical Properties

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.
 
-
-
-
2.56-2.75
Uneven, Conchoidal
two or three
6-6.5
KAlSi3O8

Staurolite and Feldspar Chemical Formula

While comparing Staurolite and Feldspar 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 Feldspar chemical formula.

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Staurolite and Feldspar Specific Gravity

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