Cassiterite and Augite Physical Properties

Cassiterite

Augite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.033.19-3.56

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Uneven, Conchoidal

Cleavage

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

{110} Perfect, {010} Indistinct

Mohs Hardness

6-75.5-6

2 10

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Chemical Composition

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

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Cassiterite and Augite Chemical Formula

While comparing Cassiterite and Augite 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 Augite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

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Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

Cassiterite and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Augite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.19-3.56 whereas that of Augite is 3.19-3.56.