×

Malachite
Malachite

Plumbogummite
Plumbogummite



ADD
Compare
X
Malachite
X
Plumbogummite

Malachite and Plumbogummite Optical Properties

Optical Properties

Luster

Adamantine, Vitreous, Silky
Resinous

Pleochroism

-
None

Dispersion

0.040.04
0.005 1
👆🏻

Transparency

Opaque
-

Refractive Index

1.655-1.9091.653-1.688
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.254-9999
0 0.296
👆🏻

Clarity

-
-

Malachite and Plumbogummite Optic Character

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

Malachite and Plumbogummite Transparency

Similar to their colors, Malachite 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, Malachite is Opaque while Malachite is Opaque in appearance.