Sapphirine and Amethyst Physical Properties

Sapphirine

Amethyst

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble in common solvents

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-3.582.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{010} Perfect

Indiscernible

1.7 Mohs Hardness

7.57

2 10

1.8 Chemical Composition

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

SiO₂

Sapphirine and Amethyst Chemical Formula

While comparing Sapphirine and Amethyst 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 Amethyst 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 Amethyst- SiO₂

Compare Green Gemstones

Sapphirine Vs Smaragdite

Sapphirine Vs Smithsonite

Sapphirine Vs Sphalerite

Sapphirine and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 2.65 whereas that of Amethyst is 2.65.