Amazonite and Azurite Physical Properties

Amazonite

Azurite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.573.70-3.90

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

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

1.7 Mohs Hardness

6-6.53.5-4

2 10

1.8 Chemical Composition

KAlSi₃O₈

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

Amazonite and Azurite Chemical Formula

While comparing Amazonite and Azurite 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 Amazonite and Azurite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Amazonite and Azurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amazonite and Azurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Azurite Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 3.70-3.90 whereas that of Azurite is 3.70-3.90.