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Forsterite
Forsterite

Cassiterite
Cassiterite



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Forsterite
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Cassiterite

Forsterite and Cassiterite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
insoluble

Durability

-
-

Specific Gravity

3.23-3.266.86-7.03
1 7.18
👆🏻

Fracture

Conchoidal
Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

Perfect on {010} imperfect on {100}
{100} imperfect, {110} indistinct; partings on {111} or {011}

Mohs Hardness

6.5-76-7
2 10
👆🏻

Chemical Composition

Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Forsterite and Cassiterite Chemical Formula

While comparing Forsterite and Cassiterite 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 Forsterite and Cassiterite chemical formula.

  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Cassiterite- SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Forsterite and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.