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Baddeleyite
Baddeleyite

Apatite
Apatite



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Baddeleyite
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Apatite

Baddeleyite and Apatite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

DistinctArthur Thomas
Blue stones – strong

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.13-2.201.628-1.651
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c
Hexagonal

Birefringence

0.070.002-0.008
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Baddeleyite and Apatite Optic Character

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

Baddeleyite and Apatite Transparency

Similar to their colors, Baddeleyite 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, Baddeleyite is Transparent while Baddeleyite is Transparent in appearance.