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Magnesite
Magnesite

Forsterite
Forsterite



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Magnesite
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Forsterite

Magnesite and Forsterite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Effervesces in hot HCl
-

Durability

-
-

Specific Gravity

2.92-3.123.23-3.26
1 7.18
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Fracture

Conchoidal
Conchoidal

Cleavage

[10 1 1] perfect
Perfect on {010} imperfect on {100}

Mohs Hardness

3.5-4.56.5-7
2 10
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Chemical Composition

MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Magnesite and Forsterite Chemical Formula

While comparing Magnesite and Forsterite 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 Magnesite and Forsterite chemical formula.

  • Chemical formula of Magnesite- MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Magnesite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnesite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.