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Lapis lazuli
Lapis lazuli

Serpentine
Serpentine



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Lapis lazuli
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Serpentine

Lapis lazuli and Serpentine 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
 
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-
-
2.44-2.62
Uneven
Indiscernible
2.5-5.5
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

Lapis lazuli and Serpentine Chemical Formula

While comparing Lapis lazuli and Serpentine 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 Serpentine chemical formula.

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Lapis lazuli and Serpentine Specific Gravity

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