Azurite and Rubellite Tourmaline Physical Properties

Azurite

Rubellite Tourmaline

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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

3.70-3.90Not Available

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

None

1.7 Mohs Hardness

3.5-42.5-3

2 10

1.8 Chemical Composition

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

Azurite and Rubellite Tourmaline Chemical Formula

While comparing Azurite and Rubellite Tourmaline 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 Rubellite Tourmaline 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 Rubellite Tourmaline- Ag

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Azurite and Rubellite Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Rubellite Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Rubellite Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Azurite is Not Available whereas that of Rubellite Tourmaline is Not Available.