Cassiterite and Bytownite Physical Properties

Cassiterite

Bytownite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.032.72-2.75

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect on [001], good on [010], imperfect on [110]

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

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

Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Cassiterite and Bytownite Chemical Formula

While comparing Cassiterite and Bytownite 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 Bytownite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Cassiterite and Bytownite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.