×

Glaucophane
Glaucophane

Prasiolite
Prasiolite



ADD
Compare
X
Glaucophane
X
Prasiolite

Glaucophane and Prasiolite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Strong
Very weak: light green pale greenWalter Schumann

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.606-1.6371.544-1.553
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

-99990.009
0 0.296
👆🏻

Clarity

-
Transparent

Glaucophane and Prasiolite Optic Character

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

Glaucophane and Prasiolite Transparency

Similar to their colors, Glaucophane and Prasiolite 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, Glaucophane is while Glaucophane is in appearance.