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Alexandrite and Fluorapatite Physical Properties


Fluorapatite and Alexandrite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.69-3.81   
3.1-3.25   

Fracture
Not Available   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   

Cleavage
1,1 ; 3,2.   
Indistinct   

Mohs Hardness
8.5   
5   

Chemical Composition
BeAl 2 O 4   
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Alexandrite and Fluorapatite Chemical Formula

While comparing Alexandrite and Fluorapatite 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 Alexandrite and Fluorapatite chemical formula.

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Alexandrite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.

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