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Riebeckite
Riebeckite

Topaz
Topaz



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Riebeckite
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Topaz

Riebeckite and Topaz Physical Properties

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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
 
-
-
-
3.49-3.57
Subconchoidal, Uneven, Conchoidal
[001] Perfect
8
Al2SiO4(F,OH)2

Riebeckite and Topaz Chemical Formula

While comparing Riebeckite and Topaz 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 Topaz chemical formula.

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Riebeckite and Topaz Specific Gravity

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