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Plumbogummite
Plumbogummite

Vesuvianite
Vesuvianite



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Plumbogummite
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Vesuvianite

Plumbogummite and Vesuvianite Optical Properties

Optical Properties

Luster

Resinous
Vitreous, Resinous

Pleochroism

None
slight in colored varieties

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.653-1.6881.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
tetragonal

Birefringence

-99990.004-0.006
0 0.296
👆🏻

Clarity

-
-

Plumbogummite and Vesuvianite Optic Character

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

Similar to their colors, Plumbogummite and Vesuvianite 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.