Sapphirine and Star Ruby Physical Properties

Sapphirine

Star Ruby

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-3.583.95-4.10

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

7.5Not Available

2 10

1.8 Chemical Composition

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

Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Sapphirine and Star Ruby Chemical Formula

While comparing Sapphirine and Star Ruby 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 Star Ruby 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 Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Sapphirine Vs Sphalerite

Sapphirine Vs Smithsonite

Sapphirine Vs Smaragdite

Sapphirine and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.