Azurite and Amethyst Physical Properties

Azurite

Amethyst

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

insoluble in common solvents

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.902.65

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Indiscernible

1.7 Mohs Hardness

3.5-47

2 10

1.8 Chemical Composition

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

SiO₂

Azurite and Amethyst Chemical Formula

While comparing Azurite and Amethyst 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 Amethyst 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 Amethyst- SiO₂

Compare Gems for Sagittarius

Azurite Vs Lapis lazuli

Azurite Vs Goldstone

Azurite Vs Lazulite

Azurite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Azurite is 2.65 whereas that of Amethyst is 2.65.