Nepouite and Dioptase Physical Properties

Nepouite

Dioptase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.18-3.243.25-3.35

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect on {001}

Perfect in three directions

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Not Available

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

Nepouite and Dioptase Chemical Formula

While comparing Nepouite 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 Nepouite and Dioptase chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Nepouite and Dioptase Specific Gravity

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