×

Grandidierite
Grandidierite

Pyrope
Pyrope



ADD
Compare
X
Grandidierite
X
Pyrope

Grandidierite and Pyrope Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
visible
0.04
-
1.578-1.639
-
Orthorhombic
0.037-0.039
-
 
Greasy, Vitreous
None
0.02
-
1.720-1.756
-
cubic
-9999
TransparentUlrich Henn and Claudio C. Milisenda

Grandidierite and Pyrope Optic Character

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

Grandidierite and Pyrope Transparency

Similar to their colors, Grandidierite and Pyrope 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, Grandidierite is while Grandidierite is in appearance.