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Plumbogummite
Plumbogummite

Emerald
Emerald



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Plumbogummite
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Emerald

Plumbogummite and Emerald Optical Properties

Optical Properties

Luster

Resinous
Vitreous

Pleochroism

None
Strong dichroism: yellow green Lazzarelli

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.653-1.6881.565-1.602
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

-99990.0040-0.0070
0 0.296
👆🏻

Clarity

-
-

Plumbogummite and Emerald Optic Character

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

Similar to their colors, Plumbogummite and Emerald 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.