Dumortierite and Rutilated Quartz Physical Properties

Dumortierite

Rutilated Quartz

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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

3.26-3.412.65

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

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

Indiscernible

1.7 Mohs Hardness

7-8.57

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

Quartz: SiO₂ Rutile: TiO2

Dumortierite and Rutilated Quartz Chemical Formula

While comparing Dumortierite and Rutilated Quartz 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 Rutilated Quartz chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Rutilated Quartz- Quartz: SiO₂ Rutile: TiO2

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Dumortierite and Rutilated Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Rutilated Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Rutilated Quartz Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.65 whereas that of Rutilated Quartz is 2.65.