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Riebeckite
Riebeckite
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Cordierite Iolite
Cordierite Iolite
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Riebeckite
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Cordierite Iolite

Riebeckite and Cordierite Iolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.28-3.44
Uneven, Splintery
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
5.0-6.0
Na2Fe2+3Fe3+2Si8O22(OH)2
 
-
-
-
2.56-2.66
Uneven, ConchoidalWalter Schumann
Distinct
7-7.5
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Riebeckite and Cordierite Iolite Chemical Formula

While comparing Riebeckite and Cordierite Iolite 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 Riebeckite and Cordierite Iolite chemical formula.

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Riebeckite and Cordierite Iolite Specific Gravity

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