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Plumbogummite
Plumbogummite

Zincite
Zincite



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Plumbogummite
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Zincite

Plumbogummite and Zincite Optical Properties

Optical Properties

Luster

Resinous
Subadamantine, Resinous

Pleochroism

None
Very weak

Dispersion

0.040.16
0.005 1
👆🏻

Transparency

-
TransparentRobert C. Kammerling

Refractive Index

1.653-1.6882.013-2.029
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

-99990.016
0 0.296
👆🏻

Clarity

-
TransparentRobert C. Kammerling

Plumbogummite and Zincite Optic Character

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

Similar to their colors, Plumbogummite and Zincite 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.