Malachite and Lazulite Physical Properties

Malachite

Lazulite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.103.04-3.17

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

Perfect on { 2 01} fair on {010}

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

3.5-45.5

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Malachite and Lazulite Chemical Formula

While comparing Malachite and Lazulite 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 Malachite and Lazulite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Malachite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.