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Apatite
Apatite

Bowenite
Bowenite



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Apatite
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Bowenite

Apatite and Bowenite Optical Properties

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Optical Properties

Luster

Vitreous
Waxy, Silky, Resinous, Greasy

Pleochroism

Blue stones – strong
-

Dispersion

0.010.01
0.005 1
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Transparency

-
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.628-1.6511.530-1.575
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
-

Birefringence

0.002-0.008-9999
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TranslucentHerve Nicolas Lazzarelli

Apatite and Bowenite Optic Character

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

Apatite and Bowenite Transparency

Similar to their colors, Apatite and Bowenite 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, Apatite is while Apatite is in appearance.