Amethyst and Sapphirine Physical Properties

Amethyst

Sapphirine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in common solvents

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.40-3.58

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Indiscernible

{010} Perfect

1.7 Mohs Hardness

77.5

2 10

1.8 Chemical Composition

SiO₂

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

Amethyst and Sapphirine Chemical Formula

While comparing Amethyst 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 Amethyst and Sapphirine chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Amethyst and Sapphirine Specific Gravity

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