Cassiterite and Spodumene Physical Properties

Cassiterite

Spodumene

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.033.15-3.21

1 7.18

1.5 Fracture

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

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

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

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

1.7 Mohs Hardness

6-76-7

2 10

1.8 Chemical Composition

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

LiAlSi₂O₆

Cassiterite and Spodumene Chemical Formula

While comparing Cassiterite and Spodumene 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 Spodumene chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Spodumene- LiAlSi₂O₆

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Cassiterite and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.