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Plumbogummite
Plumbogummite

Vanadinite
Vanadinite



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Plumbogummite
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Vanadinite

Plumbogummite and Vanadinite Optical Properties

Optical Properties

Luster

Resinous
Resinous

Pleochroism

None
-

Dispersion

0.040.15
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.653-1.6882.416
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

-99990.066
0 0.296
👆🏻

Clarity

-
-

Plumbogummite and Vanadinite Optic Character

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

Plumbogummite and Vanadinite Transparency

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