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Riebeckite
Riebeckite

Nephrite
Nephrite



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Riebeckite
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Nephrite

Riebeckite and Nephrite 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
 
-
-
-
2.90-3.10
Splintery, Granular
None
6-6.5
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Riebeckite and Nephrite Chemical Formula

While comparing Riebeckite and Nephrite 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 Nephrite chemical formula.

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Riebeckite and Nephrite Specific Gravity

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