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Glass
Glass

Lapis lazuli
Lapis lazuli



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Glass
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Lapis lazuli

Glass and Lapis lazuli Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.39-4.002.50-3.00
Amber
1 7.18
1.5 Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
3,6
1.7 Mohs Hardness
4-65.5
Amber
2 10
1.8 Chemical Composition
Not Available
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4

Glass and Lapis lazuli Chemical Formula

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

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

Glass and Lapis lazuli Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glass and Lapis lazuli Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glass and Lapis lazuli Optical Properties during the identification of gemstone. Specific gravity of Glass is 2.50-3.00 whereas that of Lapis lazuli is 2.50-3.00.