Azurite and Pectolite Physical Properties

Azurite

Pectolite

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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

3.70-3.90

2.74-2.90

1.5 Fracture

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

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

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

Perfect on {100} and {001}

1.7 Mohs Hardness

3.5-4

4.5-5

1.8 Chemical Composition

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

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Azurite and Pectolite Chemical Formula

While comparing Azurite and Pectolite 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 Pectolite 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 Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Azurite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Azurite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.