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Poudretteite
Poudretteite

Dioptase
Dioptase



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Poudretteite
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Dioptase

Poudretteite and Dioptase Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.51-2.533.25-3.35
Amber
1 7.18
1.5 Fracture
Conchoidal, Splintery
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
None
Perfect in three directions
1.7 Mohs Hardness
55
Amber
2 10
1.8 Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Poudretteite and Dioptase Chemical Formula

While comparing Poudretteite and Dioptase 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 Dioptase chemical formula.

  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Poudretteite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.