Lazurite and Aegirine Physical Properties
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.75
3.50-3.60
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
Cleavage
Imperfect on {110}
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Lazurite and Aegirine Chemical Formula
While comparing Lazurite and Aegirine 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 Lazurite and Aegirine chemical formula.
- Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
- Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Lazurite and Aegirine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Lazurite and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.