×

Lapis lazuli
Lapis lazuli

Sapphire
Sapphire



ADD
Compare
X
Lapis lazuli
X
Sapphire

Lapis lazuli and Sapphire 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
 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3

Lapis lazuli and Sapphire Chemical Formula

While comparing Lapis lazuli and Sapphire 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 Sapphire chemical formula.

    >>

Lapis lazuli and Sapphire Specific Gravity

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