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Lapis lazuli
Lapis lazuli

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Lapis lazuli
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Lapis lazuli and Marble Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
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1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.50-3.00
Not Available
1.5 Fracture
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Not Available
1.6 Cleavage
3,6
Not Available
1.7 Mohs Hardness
5.5
Not Available
1.8 Chemical Composition
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
Not Available

Lapis lazuli and Marble Chemical Formula

While comparing Lapis lazuli and Marble 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 Marble chemical formula.

  • Chemical formula of Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
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Lapis lazuli and Marble Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lapis lazuli and Marble Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lapis lazuli and Marble Optical Properties during the identification of gemstone. Specific gravity of Lapis lazuli is Not Available whereas that of Marble is Not Available.