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Forsterite
Forsterite

Covellite
Covellite



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Forsterite
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Covellite

Forsterite and Covellite Physical Properties

Physical Properties

Tenacity

-
Flexible

Solubility

-
-

Durability

-
-

Specific Gravity

3.23-3.264.6-4.76
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

Perfect on {010} imperfect on {100}
Perfect on {0001}

Mohs Hardness

6.5-7-9999
2 10
👆🏻

Chemical Composition

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

Forsterite and Covellite Chemical Formula

While comparing Forsterite and Covellite 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 Covellite chemical formula.

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

Forsterite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.