Cassiterite and Dumortierite Physical Properties

Cassiterite

Dumortierite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.033.26-3.41

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

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

1.6 Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

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

1.7 Mohs Hardness

6-77-8.5

2 10

1.8 Chemical Composition

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

AlAl₆O₃BSi₃O₁₈

Cassiterite and Dumortierite Chemical Formula

While comparing Cassiterite 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 Cassiterite and Dumortierite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Cassiterite and Dumortierite Specific Gravity

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