Rhodochrosite and Azurite Physical Properties

Rhodochrosite

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

3.0-3.3

3.70-3.90

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

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

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

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

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

MnCO₃

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

Rhodochrosite and Azurite Chemical Formula

While comparing Rhodochrosite 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 Rhodochrosite and Azurite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodochrosite and Azurite Specific Gravity

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