Cassiterite and Ettringite Physical Properties

Cassiterite

Ettringite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Partially soluble in water

Durability

Specific Gravity

6.86-7.031.77

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

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

Perfect on {10 1 0}

Mohs Hardness

6-72-2.5

2 10

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Chemical Composition

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

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Cassiterite and Ettringite Chemical Formula

While comparing Cassiterite and Ettringite 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 Ettringite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

Cassiterite Vs Chrome-Chalcedony

Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

Cassiterite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 1.77 whereas that of Ettringite is 1.77.