×

Grandidierite
Grandidierite

Pyrope
Pyrope



ADD
Compare
X
Grandidierite
X
Pyrope

Grandidierite and Pyrope Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Greasy, Vitreous
1.2 Pleochroism
visible
None
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.578-1.6391.720-1.756
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
cubic
1.8 Birefringence
0.037-0.039Not Available
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
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 and Pyrope 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 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 Gemmological Tables (2004) More from other references while Grandidierite is Gemmological Tables (2004) More from other references in appearance.