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Lapis lazuli
Lapis lazuli

Edenite
Edenite



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Lapis lazuli
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Edenite

Lapis lazuli and Edenite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.50-3.00
Uneven-Conchoidal, ConchoidalWalter Schumann
3,6
5.5
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
 
Brittle
-
-
3.05-3.37
Conchoidal
Good on (110)
5-6
NaCa2Mg5Si7AlO22(OH)2

Lapis lazuli and Edenite Chemical Formula

While comparing Lapis lazuli and Edenite 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 Lapis lazuli and Edenite chemical formula.

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Lapis lazuli and Edenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lapis lazuli and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lapis lazuli Vs Edenite during the identification of gemstone. Specific gravity of Lapis lazuli is whereas that of Edenite is .