Friedelite and Cassiterite Physical Properties

Friedelite

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

3.06-3.196.86-7.03

1 7.18

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Fracture

Uneven

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

{010} Perfect

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

Mohs Hardness

4-56-7

2 10

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Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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

Friedelite and Cassiterite Chemical Formula

While comparing Friedelite 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 Friedelite and Cassiterite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Friedelite and Cassiterite Specific Gravity

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