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Leucite
Leucite

Andalusite
Andalusite



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Leucite
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Andalusite

Leucite and Andalusite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.45-2.503.05-3.21
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Poor on {110}
Good on {110}, poor on {100}
1.7 Mohs Hardness
5.5-67.5
Amber
2 10
1.8 Chemical Composition
KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Leucite and Andalusite Chemical Formula

While comparing Leucite and Andalusite 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 Andalusite chemical formula.

  • Chemical formula of Leucite- KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Andalusite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Leucite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Leucite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Leucite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Leucite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.