Cassiterite and Prase Opal Physical Properties

Cassiterite

Prase Opal

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.031.98-2.25

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Conchoidal

Cleavage

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

None

Mohs Hardness

6-75-6.5

2 10

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Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Cassiterite and Prase Opal Chemical Formula

While comparing Cassiterite and Prase Opal 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 Prase Opal chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

Cassiterite Vs Chrome-Chalcedony

Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

Cassiterite and Prase Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Prase Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Prase Opal Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 1.98-2.25 whereas that of Prase Opal is 1.98-2.25.