Sodalite and Legrandite Physical Properties
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.15-2.40
3.98-4.04
Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Poor on {110}
Imperfect, poor one {100}
Chemical Composition
Na8Al6Si6O24Cl2
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , 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 OâDonoghue , 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.