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Charlesite
Charlesite

Leucite
Leucite



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Charlesite
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Leucite

Charlesite and Leucite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

1.792.45-2.50
1 7.18
👆🏻

Fracture

Irregular/uneven
Conchoidal

Cleavage

Perfect on {10bar10}
Poor on {110}

Mohs Hardness

2.55.5-6
2 10
👆🏻

Chemical Composition

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Charlesite and Leucite Chemical Formula

While comparing Charlesite and Leucite 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 Charlesite and Leucite chemical formula.

  • Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
  • Chemical formula of Leucite- KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Charlesite and Leucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Leucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Leucite Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 2.45-2.50 whereas that of Leucite is 2.45-2.50.