Dumortierite and Super Seven Crystals Physical Properties

Dumortierite

Super Seven Crystals

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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

3.26-3.412.9

1 7.18

1.5 Fracture

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

Fibrous

1.6 Cleavage

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

[010] Perfect, [100] Distinct, [011] Distinct

1.7 Mohs Hardness

7-8.52

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

Not Available

Dumortierite and Super Seven Crystals Chemical Formula

While comparing Dumortierite and Super Seven Crystals 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 Super Seven Crystals chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Dumortierite and Super Seven Crystals Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Super Seven Crystals Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Super Seven Crystals Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.9 whereas that of Super Seven Crystals is 2.9.