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Ruby
Ruby

Staurolite
Staurolite



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Ruby
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Staurolite

Ruby and Staurolite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.97-4.05
Conchoidal
No true cleavage
9
Al 2 O 3
 
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.

Ruby and Staurolite Chemical Formula

While comparing Ruby 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 Ruby and Staurolite chemical formula.

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Ruby and Staurolite Specific Gravity

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