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Plumbogummite
Plumbogummite

Omphacite
Omphacite



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Plumbogummite
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Omphacite

Plumbogummite and Omphacite Optical Properties

Optical Properties

Luster

Resinous
Vitreous

Pleochroism

None
Weak: colorless -- very pale green -- very pale green

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
TranslucentAnthony et al

Refractive Index

1.653-1.6881.662-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TranslucentAnthony et al

Plumbogummite and Omphacite Optic Character

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

Similar to their colors, Plumbogummite and Omphacite 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.