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Forsterite
Forsterite

Sphalerite
Sphalerite



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Forsterite
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Sphalerite

Forsterite and Sphalerite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.23-3.263.95-4.10
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

Perfect on {010} imperfect on {100}
{110} Perfect, {110} Perfect, {110} Perfect

Mohs Hardness

6.5-73.5-4
2 10
👆🏻

Chemical Composition

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

Forsterite and Sphalerite Chemical Formula

While comparing Forsterite and Sphalerite 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 Sphalerite chemical formula.

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

Forsterite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.