Dioptase and Sylvite Physical Properties

Dioptase

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.351.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

Perfect in three directions

Perfect on [100], [010], [001]

1.7 Mohs Hardness

52.5

2 10

1.8 Chemical Composition

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

Not Available

Dioptase and Sylvite Chemical Formula

While comparing Dioptase and Sylvite 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 Sylvite chemical formula.

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

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Dioptase Vs Euclase

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Dioptase Vs Faustite

Dioptase and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 1.993 whereas that of Sylvite is 1.993.