Azurite and Sylvite Physical Properties

Azurite

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.90

1.993

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven, Brittle

1.6 Cleavage

Perfect on {011}, fair on {100}, poor on {110}

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

1.7 Mohs Hardness

3.5-4

2.5

1.8 Chemical Composition

Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Azurite and Sylvite Chemical Formula

While comparing Azurite 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 Azurite and Sylvite chemical formula.

Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Azurite and Sylvite Specific Gravity

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