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Polyhalite
Polyhalite

Baddeleyite
Baddeleyite



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Polyhalite
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Baddeleyite

Polyhalite and Baddeleyite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Adamantine

Pleochroism

-
DistinctArthur Thomas

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.546-1.5482.13-2.20
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.0210.07
0 0.296
👆🏻

Clarity

-
Transparent

Polyhalite and Baddeleyite Optic Character

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

Polyhalite and Baddeleyite Transparency

Similar to their colors, Polyhalite and Baddeleyite 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, Polyhalite is while Polyhalite is in appearance.