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Cassiterite
Cassiterite

Pyromorphite
Pyromorphite



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Cassiterite
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Pyromorphite

Cassiterite and Pyromorphite 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
6.86-7.036.5-7.1
Amber
1 7.18
1.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
1.6 Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Imperfect- [10 1 1]
1.7 Mohs Hardness
6-73.5-4
Amber
2 10
1.8 Chemical Composition
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Cassiterite and Pyromorphite Chemical Formula

While comparing Cassiterite and Pyromorphite 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 Pyromorphite chemical formula.

  • Chemical formula of Cassiterite- SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Cassiterite and Pyromorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.