Malachite and Rutile Physical Properties

Malachite

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.104.20-4.30

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on { 2 01} fair on {010}

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Malachite and Rutile Chemical Formula

While comparing Malachite and Rutile 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 Rutile chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Malachite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Malachite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.