Dumortierite and Kyanite Cyprine Physical Properties

Dumortierite

Kyanite Cyprine

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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

3.26-3.413.55-3.70

1 7.18

1.5 Fracture

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Gemstones (2009)

1.6 Cleavage

Distinct on {100}, poor on {110}; parting on {001}

Not Available

1.7 Mohs Hardness

7-8.54-7

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

Dumortierite and Kyanite Cyprine Chemical Formula

While comparing Dumortierite and Kyanite Cyprine 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 Dumortierite and Kyanite Cyprine chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

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Dumortierite and Kyanite Cyprine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Kyanite Cyprine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Kyanite Cyprine Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.55-3.70 whereas that of Kyanite Cyprine is 3.55-3.70.