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Charoite
Charoite

Plumbogummite
Plumbogummite



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Charoite
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Plumbogummite

Charoite and Plumbogummite Optical Properties

Optical Properties

Luster

Pearly, Chatoyant
Resinous

Pleochroism

-
None

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.545-1.5601.653-1.688
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Trigonal

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

Translucent
-

Charoite and Plumbogummite Optic Character

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

Charoite and Plumbogummite Transparency

Similar to their colors, Charoite and Plumbogummite 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, Charoite is Translucent while Charoite is Translucent in appearance.