×

Prasiolite
Prasiolite

Iddingsite
Iddingsite



ADD
Compare
X
Prasiolite
X
Iddingsite

Prasiolite and Iddingsite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Very weak: light green pale greenWalter Schumann
-

Dispersion

0.01-
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.544-1.553-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

Transparent
-

Prasiolite and Iddingsite Optic Character

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

Prasiolite and Iddingsite Transparency

Similar to their colors, Prasiolite and Iddingsite 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, Prasiolite is Transparent and Translucent while Prasiolite is Transparent and Translucent in appearance.