Azurite and Astrophyllite Physical Properties

Azurite

Astrophyllite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.70-3.90

Conchoidal

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

3.5-4

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

3.2-3.4

Uneven

Perfect on [001] imperfect on [100]

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Azurite and Astrophyllite Chemical Formula

While comparing Azurite and Astrophyllite 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 Astrophyllite chemical formula.

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Azurite and Astrophyllite Specific Gravity

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