Sapphirine and Paraiba Physical Properties

Sapphirine

Paraiba

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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

3.40-3.583.04-3.13

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

7.57-7.5

2 10

1.8 Chemical Composition

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

Not Available

Sapphirine and Paraiba Chemical Formula

While comparing Sapphirine and Paraiba 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 Paraiba chemical formula.

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

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Sapphirine and Paraiba Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Paraiba Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Paraiba Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 3.04-3.13 whereas that of Paraiba is 3.04-3.13.