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Hessonite and Fluorapatite Optical Properties


Fluorapatite and Hessonite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Resinous   

Pleochroism
Not Available   
Weak to strong if coloreD   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004)   
Transparent   

Refractive Index
1.742-1.748   
1.631-1.650   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Hexagonal   

Birefringence
Not Available   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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Hessonite and Fluorapatite Optic Character

Hessonite and Fluorapatite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Hessonite and Fluorapatite 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 Hessonite and Fluorapatite 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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Hessonite and Fluorapatite Transparency

Similar to their colors, Hessonite and Fluorapatite 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, Hessonite is Gemmological Tables (2004) while Hessonite is Gemmological Tables (2004) in appearance.

Brown Gemstones

Brown Gemstones


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