Cassiterite and Hardystonite Physical Properties

Cassiterite

Hardystonite

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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

6.86-7.033.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

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

[001] good, [100] and [110] fair

1.7 Mohs Hardness

6-73-4

2 10

1.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Cassiterite and Hardystonite Chemical Formula

While comparing Cassiterite and Hardystonite 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 Hardystonite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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Cassiterite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.