Adularia and Malachite Physical Properties

Adularia

Malachite

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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

2.54-2.613.25-4.10

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

Not Available

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

63.5-4

2 10

1.8 Chemical Composition

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

Cu₂CO₃(OH)₂

Adularia and Malachite Chemical Formula

While comparing Adularia and Malachite 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 Adularia and Malachite chemical formula.

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

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Adularia and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adularia and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adularia and Malachite Optical Properties during the identification of gemstone. Specific gravity of Adularia is 3.25-4.10 whereas that of Malachite is 3.25-4.10.