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Forsterite
Forsterite

Caledonite
Caledonite



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Forsterite
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Caledonite

Forsterite and Caledonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.23-3.265.6-5.76
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

Perfect on {010} imperfect on {100}
[001] perfect; [100] distinct

Mohs Hardness

6.5-72.5-3
2 10
👆🏻

Chemical Composition

Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Forsterite and Caledonite Chemical Formula

While comparing Forsterite and Caledonite 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 Caledonite chemical formula.

  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Forsterite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.