Piemontite and Azurite Physical Properties

Piemontite

Azurite

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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

Not Available3.70-3.90

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

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

1.7 Mohs Hardness

6-6.53.5-4

2 10

1.8 Chemical Composition

Not Available

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

Piemontite and Azurite Chemical Formula

While comparing Piemontite 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 Piemontite and Azurite 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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Piemontite and Azurite Specific Gravity

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