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Staurolite
Staurolite

Prehnite
Prehnite



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Staurolite
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Prehnite

Staurolite and Prehnite 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.
 
Brittle
-
-
2.80-2.95
Uneven
Distinct on [001]
6-6.5
Ca2Al2Si3O12(OH)

Staurolite and Prehnite Chemical Formula

While comparing Staurolite and Prehnite 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 Prehnite chemical formula.

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Staurolite and Prehnite Specific Gravity

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