Tantalite and Cassiterite Physical Properties

Tantalite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.26.86-7.03

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Good in one direction

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

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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

Tantalite and Cassiterite Chemical Formula

While comparing Tantalite and Cassiterite 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 Tantalite and Cassiterite chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tantalite and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.