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Poudretteite and Riebeckite Physical Properties


Riebeckite and Poudretteite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.51-2.53   
3.28-3.44   

Fracture
Conchoidal, Splintery   
Uneven, Splintery, Brittle   

Cleavage
None   
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}   

Mohs Hardness
5   
5.0-6.0   

Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   
Not Available   

Optical Properties >>
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Poudretteite and Riebeckite Chemical Formula

While comparing Poudretteite 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 Poudretteite and Riebeckite chemical formula.

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Poudretteite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.

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