Home
×

Kyanite
Kyanite

Sapphirine
Sapphirine



ADD
Compare
X
Kyanite
X
Sapphirine

Kyanite and Sapphirine Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.53-3.65
3.40-3.58
1.5 Fracture
Splintery, Brittle, Metallic
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
1.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
{010} Perfect
1.7 Mohs Hardness
4-7
7.5
1.8 Chemical Composition
Not Available
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Kyanite and Sapphirine Chemical Formula

While comparing Kyanite 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 Kyanite and Sapphirine chemical formula.

    >
  • Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Kyanite and Sapphirine Specific Gravity

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