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Plumbogummite
Plumbogummite

Ruby
Ruby



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Plumbogummite
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Ruby

Plumbogummite and Ruby Optical Properties

Optical Properties

Luster

Resinous
Vitreous, Adamantine

Pleochroism

None
Strong: purplish-red

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

1.653-1.6881.762-1.778
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

-99990.008
0 0.296
👆🏻

Clarity

-
Transparent

Plumbogummite and Ruby Optic Character

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

Similar to their colors, Plumbogummite and Ruby 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.