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Plumbogummite
Plumbogummite

Chrysoprase
Chrysoprase



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Plumbogummite
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Chrysoprase

Plumbogummite and Chrysoprase Optical Properties

Optical Properties

Luster

Resinous
Vitreous, Waxy

Pleochroism

None
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Translucent, Opaque, Translucent to nearly opaque

Refractive Index

1.653-1.6881.530-1.543
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

-99990.004
0 0.296
👆🏻

Clarity

-
Translucent

Plumbogummite and Chrysoprase Optic Character

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

Similar to their colors, Plumbogummite and Chrysoprase 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.