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Leucite
Leucite

Bastnasite
Bastnasite



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Leucite
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Bastnasite

Leucite and Bastnasite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.45-2.504.95-5.0
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

Poor on {110}
Imperfect to indistinct on {10 1 0}, parting on {0001}

Mohs Hardness

5.5-64-5
2 10
👆🏻

Chemical Composition

KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Leucite and Bastnasite Chemical Formula

While comparing Leucite and Bastnasite 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 Bastnasite chemical formula.

  • Chemical formula of Leucite- KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Leucite and Bastnasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Leucite and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Leucite and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Leucite is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.