Pearl and Sapphirine Physical Properties

Pearl

Sapphirine

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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

2.60-2.853.40-3.58

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

none

{010} Perfect

1.7 Mohs Hardness

2.5-4.57.5

2 10

1.8 Chemical Composition

Not Available

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

Pearl and Sapphirine Chemical Formula

While comparing Pearl and Sapphirine 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 Pearl and Sapphirine 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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Pearl and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Pearl is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.