Pyrite and Spodumene Physical Properties

Pyrite

Spodumene

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble in water

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.203.15-3.21

1 7.18

1.5 Fracture

Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Indistinct on {001}; partings on {011} and {111}

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

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

LiAlSi₂O₆

Pyrite and Spodumene Chemical Formula

While comparing Pyrite 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 Pyrite and Spodumene chemical formula.

Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Spodumene- LiAlSi₂O₆

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Pyrite and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.