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Clinothulite
Clinothulite

Plumbogummite
Plumbogummite



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Clinothulite
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Plumbogummite

Clinothulite and Plumbogummite Optical Properties

Optical Properties

Luster

-
Resinous

Pleochroism

-
None

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.653-1.688
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Clinothulite and Plumbogummite Optic Character

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

Clinothulite and Plumbogummite Transparency

Similar to their colors, Clinothulite 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, Clinothulite is while Clinothulite is in appearance.