Azurite and Hurlbutite Physical Properties

Azurite

Hurlbutite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.90

2.90

1.5 Fracture

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

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

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

None

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

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

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Azurite and Hurlbutite Chemical Formula

While comparing Azurite and Hurlbutite 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 Hurlbutite 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 Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Azurite and Hurlbutite Specific Gravity

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