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Herderite and Sapphire Physical Properties


Sapphire and Herderite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.02   
3.95-4.03   

Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
Indistinct on {110}   
None, but may exhibit parting   

Mohs Hardness
5-5.5   
9   

Chemical Composition
CaBePO 4(F,OH)Ulrich Henn and Claudio C.   
Al 2 O 3   

Optical Properties >>
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Herderite and Sapphire Chemical Formula

While comparing Herderite and Sapphire 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 Herderite and Sapphire chemical formula.

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Herderite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Herderite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Herderite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.

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