Sapphirine and Peridot Physical Properties

Sapphirine

Peridot

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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

3.40-3.581.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

{010} Perfect

Poor

1.7 Mohs Hardness

7.56.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Sapphirine and Peridot Chemical Formula

While comparing Sapphirine and Peridot 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 Peridot 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 Peridot- (Mg,Fe)₂SiO₄

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Sapphirine and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Peridot Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 1.54-1.55 whereas that of Peridot is 1.54-1.55.