Sapphirine and Coral Physical Properties

Sapphirine

Coral

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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

3.40-3.582.60-2.70

1 7.18

1.5 Fracture

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

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

7.53-4

2 10

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Sapphirine and Coral Chemical Formula

While comparing Sapphirine and Coral 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 Coral 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 Coral- CaCO 3Ulrich Henn and Claudio C.

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Sapphirine and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Coral Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 2.60-2.70 whereas that of Coral is 2.60-2.70.