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Pumpellyite
Pumpellyite

Boleite
Boleite



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Pumpellyite
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Boleite

Pumpellyite and Boleite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.020.07
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.674-1.7642.05
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Isometric

Birefringence

0.014-0.0160.010
0 0.296
👆🏻

Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
Transparent

Pumpellyite and Boleite Optic Character

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

Pumpellyite and Boleite Transparency

Similar to their colors, Pumpellyite and Boleite 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, Pumpellyite is while Pumpellyite is in appearance.