Brazilianite and Azurite Physical Properties

Brazilianite

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

2.98-2.993.70-3.90

1 7.18

1.5 Fracture

Conchoidal, Gems

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

1.6 Cleavage

(010) Distinct to good

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

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Brazilianite and Azurite Chemical Formula

While comparing Brazilianite 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 Brazilianite and Azurite chemical formula.

Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Brazilianite and Azurite Specific Gravity

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