Dumortierite and Chrysoberyl Physical Properties

Dumortierite

Chrysoberyl

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.26-3.413.69-3.81

1 7.18

1.5 Fracture

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

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

1.6 Cleavage

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

Distinct on {110}, imperfect on {010}, poor on {001}

1.7 Mohs Hardness

7-8.58.5

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

BeAl ₂ O ₄

Dumortierite and Chrysoberyl Chemical Formula

While comparing Dumortierite and Chrysoberyl 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 Chrysoberyl chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Chrysoberyl- BeAl ₂ O ₄

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Dumortierite and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.