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Forsterite
Forsterite

Spodumene
Spodumene



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Forsterite
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Spodumene

Forsterite and Spodumene 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)
 
Brittle
insoluble
-
3.15-3.21
Uneven, Subconchoidal
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
6-7
LiAlSi2O6

Forsterite and Spodumene Chemical Formula

While comparing Forsterite and Spodumene 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 Spodumene chemical formula.

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Forsterite and Spodumene Specific Gravity

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