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Herderite and Pearl Physical Properties


Pearl and Herderite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.02   
2.60-2.85   

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

Cleavage
Indistinct on {110}   
none   

Mohs Hardness
5-5.5   
2.5-4.5   

Chemical Composition
CaBePO 4(F,OH)Ulrich Henn and Claudio C.   
Not Available   

Optical Properties >>
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Herderite and Pearl Chemical Formula

While comparing Herderite and Pearl 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 Pearl chemical formula.

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Herderite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Herderite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Herderite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.

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