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Leucite
Leucite

Thomsonite
Thomsonite



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Leucite
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Thomsonite

Leucite and Thomsonite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.45-2.502.25-2.40
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

Poor on {110}
perfect on {010}; good on {100}

Mohs Hardness

5.5-65-5.5
2 10
👆🏻

Chemical Composition

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

Leucite and Thomsonite Chemical Formula

While comparing Leucite 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 Leucite and Thomsonite chemical formula.

  • Chemical formula of Leucite- KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Leucite and Thomsonite Specific Gravity

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