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Plumbogummite
Plumbogummite

Stichtite
Stichtite



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Plumbogummite
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Stichtite

Plumbogummite and Stichtite Optical Properties

Optical Properties

Luster

Resinous
Waxy, Resinous

Pleochroism

None
Weak

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.653-1.6881.516-1.544
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

-99990.026
0 0.296
👆🏻

Clarity

-
Translucent

Plumbogummite and Stichtite Optic Character

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

Similar to their colors, Plumbogummite and Stichtite 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.