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Coral and Herderite Physical Properties


Herderite 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   
2.90-3.02   

Fracture
Irregular, Irregular, Gemstones of the world (2001)   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
Not Available   
Indistinct on {110}   

Mohs Hardness
3-4   
5-5.5   

Chemical Composition
CaCO 3Ulrich Henn and Claudio C.   
CaBePO 4(F,OH)Ulrich Henn and Claudio C.   

Optical Properties >>
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Coral and Herderite Chemical Formula

While comparing Coral and Herderite 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 Herderite chemical formula.

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Coral and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Coral and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Herderite Optical Properties during the identification of gemstone. Specific gravity of Coral is 2.90-3.02 whereas that of Herderite is 2.90-3.02.

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