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Clinochlore and Lapis lazuli Physical Properties


Lapis lazuli and Clinochlore Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.60-3.02   
2.50-3.00   

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

Cleavage
{001} Perfect   
3,6   

Mohs Hardness
2-2.5   
5.5   

Chemical Composition
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)   
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4   

Optical Properties >>
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Clinochlore and Lapis lazuli Chemical Formula

While comparing Clinochlore 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 Clinochlore and Lapis lazuli chemical formula.

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Clinochlore and Lapis lazuli Specific Gravity

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

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Green Gemstones


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