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Beudantite and Apatite Optical Properties


Apatite and Beudantite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Vitreous   

Pleochroism
visible   
Blue stones – strong   

Dispersion
Not Available   
0.01   
27

Transparency
Not Available   
Gemmological Tables (2004) More from other references   

Refractive Index
1.957   
1.628-1.651   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Hexagonal   

Birefringence
0.014   
0.002-0.008   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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Beudantite and Apatite Optic Character

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

Similar to their colors, Beudantite and Apatite 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, Beudantite is Not Available while Beudantite is Not Available in appearance.

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