×

Gedrite
Gedrite

Boulder Opal
Boulder Opal



ADD
Compare
X
Gedrite
X
Boulder Opal

Gedrite and Boulder Opal Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Weak to moderate
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.625-1.7181.370-1.470
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Gedrite and Boulder Opal Optic Character

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

Gedrite and Boulder Opal Transparency

Similar to their colors, Gedrite and Boulder Opal 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, Gedrite is Transparent while Gedrite is Transparent in appearance.