Cassiterite and Gahnospinel Physical Properties

Cassiterite

Gahnospinel

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.033.65-4.55

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Conchoidal

Cleavage

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

None, but may exhibit slight parting

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

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Cassiterite and Gahnospinel Chemical Formula

While comparing Cassiterite and Gahnospinel 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 Gahnospinel chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Cassiterite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.