Rutile and Dumortierite Physical Properties

Rutile

Dumortierite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.303.26-3.41

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

{110} good, 100 moderate, parting on {092} and {011}

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

1.7 Mohs Hardness

6-6.57-8.5

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

AlAl₆O₃BSi₃O₁₈

Rutile and Dumortierite Chemical Formula

While comparing Rutile and Dumortierite 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 Rutile and Dumortierite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Rutile and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.