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Forsterite
Forsterite

Demantoid Garnet
Demantoid Garnet



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Forsterite
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Demantoid Garnet

Forsterite and Demantoid Garnet Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.23-3.26-9999
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

Perfect on {010} imperfect on {100}
Imperfect

Mohs Hardness

6.5-7-9999
2 10
👆🏻

Chemical Composition

Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Ca3Fe2(SiO4)3

Forsterite and Demantoid Garnet Chemical Formula

While comparing Forsterite and Demantoid 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 Demantoid Garnet chemical formula.

  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Demantoid Garnet- Ca3Fe2(SiO4)3

Forsterite and Demantoid Garnet Specific Gravity

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