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Fluorapatite and Blue spinel Optical Properties


Blue spinel and Fluorapatite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Not Available   

Pleochroism
Weak to strong if coloreD   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.631-1.650   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
Not Available   

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<< Physical Properties

Fluorapatite and Blue spinel Optic Character

Fluorapatite and Blue spinel optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Fluorapatite and Blue spinel Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Fluorapatite and Blue spinel optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Fluorapatite and Blue spinel Transparency

Similar to their colors, Fluorapatite and Blue spinel transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Fluorapatite is Transparent while Fluorapatite is Transparent in appearance.

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Blue Gemstones


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