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Sellaite
Sellaite

Riebeckite
Riebeckite



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Sellaite
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Riebeckite

Sellaite and Riebeckite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.
 
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

Sellaite and Riebeckite Chemical Formula

While comparing Sellaite and Riebeckite 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 Sellaite and Riebeckite chemical formula.

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Sellaite and Riebeckite Specific Gravity

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