Spinel and Cassiterite Physical Properties

Spinel

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

3.64-3.666.86-7.03

1 7.18

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Fracture

Conchoidal, Uneven

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

None, but may exhibit slight parting

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

Mohs Hardness

86-7

2 10

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Chemical Composition

MgAl₂O₄

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

Spinel and Cassiterite Chemical Formula

While comparing Spinel and Cassiterite 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 Spinel and Cassiterite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Spinel and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.