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Blue spinel and Lapis lazuli Physical Properties


Lapis lazuli and Blue spinel Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
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Not Available   

Durability
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Not Available   

Specific Gravity
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2.50-3.00   

Fracture
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Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
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3,6   

Mohs Hardness
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5.5   

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

Optical Properties >>
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Blue spinel and Lapis lazuli Chemical Formula

While comparing Blue spinel 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 Blue spinel and Lapis lazuli chemical formula.

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Blue spinel and Lapis lazuli Specific Gravity

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

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Blue Gemstones


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