×

Agrellite
Agrellite

Prasiolite
Prasiolite



ADD
Compare
X
Agrellite
X
Prasiolite

Agrellite and Prasiolite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Pearly
colorless.
0.01
-
1.567
-
Triclinic
0.014
-
 
Vitreous
Very weak: light green pale greenWalter Schumann
0.01
Transparent, Translucent
1.544-1.553
-
Trigonal
0.009
Transparent

Agrellite and Prasiolite Optic Character

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

Agrellite and Prasiolite Transparency

Similar to their colors, Agrellite 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, Agrellite is while Agrellite is in appearance.