Malachite and Adularia Physical Properties

Malachite

Adularia

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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

3.25-4.102.54-2.61

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Not Available

1.6 Cleavage

Perfect on { 2 01} fair on {010}

Not Available

1.7 Mohs Hardness

3.5-46

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Malachite and Adularia Chemical Formula

While comparing Malachite and Adularia 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 Adularia chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Adularia- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Malachite and Adularia Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Adularia Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Adularia Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.54-2.61 whereas that of Adularia is 2.54-2.61.