Dioptase and Poudretteite Physical Properties

Dioptase

Poudretteite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.352.51-2.53

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Conchoidal, Splintery

1.6 Cleavage

Perfect in three directions

None

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Dioptase and Poudretteite Chemical Formula

While comparing Dioptase 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 Dioptase and Poudretteite chemical formula.

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

Compare Green Gemstones

Dioptase Vs Feldspar

Dioptase Vs Faustite

Dioptase Vs Euclase

Dioptase and Poudretteite Specific Gravity

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