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Forsterite
Forsterite

Pyrope Garnet
Pyrope Garnet



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Forsterite
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Pyrope Garnet

Forsterite and Pyrope Garnet Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.23-3.263.5-3.6
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

Perfect on {010} imperfect on {100}
None

Mohs Hardness

6.5-77-7.5
2 10
👆🏻

Chemical Composition

Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Mg3Al2Si3O12

Forsterite and Pyrope Garnet Chemical Formula

While comparing Forsterite and Pyrope Garnet 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 Pyrope Garnet chemical formula.

  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Pyrope Garnet- Mg3Al2Si3O12

Forsterite and Pyrope Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Pyrope Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Pyrope Garnet Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.5-3.6 whereas that of Pyrope Garnet is 3.5-3.6.