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Spodumene
Spodumene

Pyrophyllite
Pyrophyllite



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Spodumene
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Pyrophyllite

Spodumene and Pyrophyllite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

insoluble
-

Durability

-
-

Specific Gravity

3.15-3.212.65-2.90
1 7.18
👆🏻

Fracture

Uneven, Subconchoidal
-

Cleavage

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
{001} Perfect

Mohs Hardness

6-7-9999
2 10
👆🏻

Chemical Composition

LiAlSi2O6
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Spodumene and Pyrophyllite Chemical Formula

While comparing Spodumene and Pyrophyllite 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 Spodumene and Pyrophyllite chemical formula.

  • Chemical formula of Spodumene- LiAlSi2O6
  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Spodumene and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.