Cassiterite and Zincite Physical Properties

Cassiterite

Zincite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.035.50-5.90

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

6-74

2 10

1.8 Chemical Composition

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

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Cassiterite and Zincite Chemical Formula

While comparing Cassiterite and Zincite 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 Zincite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Cassiterite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.