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Forsterite
Forsterite

Foitite
Foitite



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Forsterite
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Foitite

Forsterite and Foitite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.23-3.263.17
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Handbook of mineralogy (2001)
1.6 Cleavage
Perfect on {010} imperfect on {100}
None
1.7 Mohs Hardness
6.5-77
Amber
2 10
1.8 Chemical Composition
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Forsterite and Foitite Chemical Formula

While comparing Forsterite and Foitite 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 Foitite chemical formula.

  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Forsterite and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Foitite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.17 whereas that of Foitite is 3.17.