Dumortierite and Catapleiite Physical Properties

Dumortierite

Catapleiite

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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

3.26-3.412.72

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

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

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

7-8.55-6

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Dumortierite and Catapleiite Chemical Formula

While comparing Dumortierite and Catapleiite 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 Catapleiite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Dumortierite and Catapleiite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.72 whereas that of Catapleiite is 2.72.