Colemanite and Cassiterite Physical Properties

Colemanite

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

2.40-2.426.86-7.03

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

{010} Perfect, {001} Distinct

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

Mohs Hardness

4.56-7

2 10

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Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Colemanite and Cassiterite Chemical Formula

While comparing Colemanite 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 Colemanite and Cassiterite chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Colemanite Vs Herderite

Colemanite Vs Hibschite

Colemanite Vs Hyalite

Colemanite and Cassiterite Specific Gravity

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