Cassiterite and Nuummite Physical Properties

Cassiterite

Nuummite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.033.18-3.37

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

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

Perfect on 210

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

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

Not Available

Cassiterite and Nuummite Chemical Formula

While comparing Cassiterite and Nuummite 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 Nuummite chemical formula.

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

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Cassiterite and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.