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Fluorapatite
Fluorapatite

Axinite
Axinite



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Fluorapatite
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Axinite

Fluorapatite and Axinite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Resinous
Weak to strong if coloreD
0.03
Transparent
1.631-1.650
-
Hexagonal
-9999
Transparent
 
Vitreous
Strong
0.02
-
1.656-1.704
Biaxial/+
Triclinic
0.009-0.012
TransparentUlrich Henn and Claudio C. Milisenda

Fluorapatite and Axinite Optic Character

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

Fluorapatite and Axinite Transparency

Similar to their colors, Fluorapatite and Axinite 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 while Fluorapatite is in appearance.