Fluorite and Cassiterite Physical Properties

Fluorite

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

insoluble

Durability

Specific Gravity

3.00-3.256.86-7.03

1 7.18

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Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

Octahedral, perfect on {111}, parting on {011}

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

Mohs Hardness

46-7

2 10

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Chemical Composition

CaF₂

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

Fluorite and Cassiterite Chemical Formula

While comparing Fluorite 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 Fluorite and Cassiterite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Fluorite and Cassiterite Specific Gravity

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