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Coral and Achroite Physical Properties


Achroite and Coral Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.60-2.70   
2.90-3.40   

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

Cleavage
Not Available   
Not Available   

Mohs Hardness
3-4   
7-7.5   

Chemical Composition
CaCO 3Ulrich Henn and Claudio C.   
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   

Optical Properties >>
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Coral and Achroite Chemical Formula

While comparing Coral and Achroite 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 Coral and Achroite chemical formula.

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Coral and Achroite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Coral and Achroite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Achroite Optical Properties during the identification of gemstone. Specific gravity of Coral is 2.90-3.40 whereas that of Achroite is 2.90-3.40.

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