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Mother of Pearl
Mother of Pearl

Poudretteite
Poudretteite



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Mother of Pearl
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Poudretteite

Mother of Pearl and Poudretteite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.87
2.51-2.53
1.5 Fracture
Not Available
Conchoidal, Splintery
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
2.5-4.5
5
1.8 Chemical Composition
Not Available
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Mother of Pearl and Poudretteite Chemical Formula

While comparing Mother of Pearl and Poudretteite 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 Mother of Pearl and Poudretteite chemical formula.

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  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Mother of Pearl and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mother of Pearl and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mother of Pearl and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Mother of Pearl is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.