Cassiterite and Phenakite Physical Properties

Cassiterite

Phenakite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.032.90-2.98

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Conchoidal, ConchoidalWalter Schumann

Cleavage

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

Distinct on {11 2 0}, imperfect on {10 1 1}

Mohs Hardness

6-77.5-8

2 10

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Chemical Composition

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

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cassiterite and Phenakite Chemical Formula

While comparing Cassiterite and Phenakite 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 Phenakite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Cassiterite Vs Chrome-Chalcedony

Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

Cassiterite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.