Cassiterite and Datolite Physical Properties

Cassiterite

Datolite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.032.90-3.00

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Conchoidal, Uneven

Cleavage

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

None

Mohs Hardness

6-75-5.5

2 10

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Chemical Composition

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

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cassiterite and Datolite Chemical Formula

While comparing Cassiterite and Datolite 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 Datolite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cassiterite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.