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Rubellite
Rubellite

Plumbogummite
Plumbogummite



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Rubellite
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Plumbogummite

Rubellite and Plumbogummite Optical Properties

Optical Properties

Luster

-
Resinous

Pleochroism

Strong: dark red pinkish-redHerve Nicolas Lazzarelli
None

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.614-1.6661.653-1.688
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.014-0.040-9999
0 0.296
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Clarity

Transparent
-

Rubellite and Plumbogummite Optic Character

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

Rubellite and Plumbogummite Transparency

Similar to their colors, Rubellite and Plumbogummite 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, Rubellite is Transparent and Translucent while Rubellite is Transparent and Translucent in appearance.