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Forsterite
Forsterite

Helenite
Helenite



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Forsterite
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Helenite

Forsterite and Helenite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.23-3.26
Conchoidal
Perfect on {010} imperfect on {100}
6.5-7
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
-9999
-
Indiscernible
-9999
SiO2

Forsterite and Helenite Chemical Formula

While comparing Forsterite and Helenite 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 Helenite chemical formula.

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Forsterite and Helenite Specific Gravity

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