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Forsterite
Forsterite

Ammolite
Ammolite



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Forsterite
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Ammolite

Forsterite and Ammolite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.23-3.262.75-2.80
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Granular

Cleavage

Perfect on {010} imperfect on {100}
no true cleavage

Mohs Hardness

6.5-74
2 10
👆🏻

Chemical Composition

Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
CaCO3

Forsterite and Ammolite Chemical Formula

While comparing Forsterite and Ammolite 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 Ammolite chemical formula.

  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Ammolite- CaCO3

Forsterite and Ammolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Ammolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Ammolite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 2.75-2.80 whereas that of Ammolite is 2.75-2.80.