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Sodalite
Sodalite

Legrandite
Legrandite



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Sodalite
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Legrandite

Sodalite and Legrandite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.15-2.403.98-4.04
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Poor on {110}
Imperfect, poor one {100}
1.7 Mohs Hardness
5-64.5-5
Amber
2 10
1.8 Chemical Composition
Na8Al6Si6O24Cl2
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sodalite and Legrandite Chemical Formula

While comparing Sodalite and Legrandite 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 Sodalite and Legrandite chemical formula.

  • Chemical formula of Sodalite- Na8Al6Si6O24Cl2
  • Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sodalite and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.