Azurite and Natrolite Physical Properties

Azurite

Natrolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.902.20-2.26

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

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

Perfect on {110}

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

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

Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Azurite and Natrolite Chemical Formula

While comparing Azurite and Natrolite 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 Natrolite chemical formula.

Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Azurite and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Azurite is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.