Cassiterite and Sunstone Physical Properties

Cassiterite

Sunstone

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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

6.86-7.032.62-2.65

1 7.18

1.5 Fracture

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

Gemstones of the world (2001)

1.6 Cleavage

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

001

1.7 Mohs Hardness

6-76

2 10

1.8 Chemical Composition

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

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Cassiterite and Sunstone Chemical Formula

While comparing Cassiterite and Sunstone 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 Sunstone chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Cassiterite and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.