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Cassiterite
Cassiterite

Poudretteite
Poudretteite



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Cassiterite
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Poudretteite

Cassiterite and Poudretteite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.86-7.032.51-2.53
Amber
1 7.18
1.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Conchoidal, Splintery
1.6 Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
None
1.7 Mohs Hardness
6-75
Amber
2 10
1.8 Chemical Composition
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Cassiterite and Poudretteite Chemical Formula

While comparing Cassiterite and Poudretteite 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 Poudretteite chemical formula.

  • Chemical formula of Cassiterite- SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Cassiterite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.