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Blue spinel
Blue spinel

Poudretteite
Poudretteite



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Blue spinel
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Poudretteite

Blue spinel 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
Not Available2.51-2.53
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, Splintery
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
Not Available5
Amber
2 10
1.8 Chemical Composition
Not Available
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Blue spinel and Poudretteite Chemical Formula

While comparing Blue spinel 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 Blue spinel and Poudretteite chemical formula.

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

Blue spinel and Poudretteite Specific Gravity

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