Sapphirine and Malachite Physical Properties

Sapphirine

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

3.40-3.583.25-4.10

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

{010} Perfect

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

7.53.5-4

2 10

1.8 Chemical Composition

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cu₂CO₃(OH)₂

Sapphirine and Malachite Chemical Formula

While comparing Sapphirine 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 Sapphirine and Malachite chemical formula.

Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Sapphirine and Malachite Specific Gravity

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