Spodumene and Thomsonite Physical Properties

Spodumene

Thomsonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212.25-2.40

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

perfect on {010}; good on {100}

1.7 Mohs Hardness

6-75-5.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Spodumene and Thomsonite Chemical Formula

While comparing Spodumene and Thomsonite 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 Thomsonite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Spodumene and Thomsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Thomsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Thomsonite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.25-2.40 whereas that of Thomsonite is 2.25-2.40.