Cassiterite and Chrome-Chalcedony Physical Properties

Cassiterite

Chrome-Chalcedony

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.032.55-2.70

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

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

None

Mohs Hardness

6-76.5-7

2 10

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Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Cassiterite and Chrome-Chalcedony Chemical Formula

While comparing Cassiterite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Cassiterite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.