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Riebeckite
Riebeckite

Lazurite
Lazurite



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Riebeckite
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Lazurite

Riebeckite and Lazurite 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
 
Brittle
Soluble
-
2.75
Uneven, Conchoidal
Imperfect on {110}
5.5
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Riebeckite and Lazurite Chemical Formula

While comparing Riebeckite and Lazurite 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 Lazurite chemical formula.

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Riebeckite and Lazurite Specific Gravity

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