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Feldspar
Feldspar

Staurolite
Staurolite



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Feldspar
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Staurolite

Feldspar and Staurolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

Feldspar and Staurolite Chemical Formula

While comparing Feldspar 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 Feldspar and Staurolite chemical formula.

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Feldspar and Staurolite Specific Gravity

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