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Plumbogummite
Plumbogummite

Malachite
Malachite



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Plumbogummite
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Malachite

Plumbogummite and Malachite Optical Properties

Optical Properties

Luster

Resinous
Adamantine, Vitreous, Silky

Pleochroism

None
-

Dispersion

0.040.04
0.005 1
👆🏻

Transparency

-
Opaque

Refractive Index

1.653-1.6881.655-1.909
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

-99990.254
0 0.296
👆🏻

Clarity

-
-

Plumbogummite and Malachite Optic Character

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

Similar to their colors, Plumbogummite and Malachite 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.