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Fluorapatite and Common Opal Physical Properties


Common Opal and Fluorapatite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.1-3.25   
1.98-2.50   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   
Conchoidal, Conchoidal, Gemstones of the world (2001)   

Cleavage
Indistinct   
Not Available   

Mohs Hardness
5   
5.5-6.5   

Chemical Composition
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)   
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   

Optical Properties >>
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Fluorapatite and Common Opal Chemical Formula

While comparing Fluorapatite and Common Opal 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 Fluorapatite and Common Opal chemical formula.

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Fluorapatite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.

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