×

Boulder Opal
Boulder Opal

Forsterite
Forsterite



ADD
Compare
X
Boulder Opal
X
Forsterite

Boulder Opal and Forsterite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
colorless.
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.370-1.4701.635-1.671
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.033-0.042
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Boulder Opal and Forsterite Optic Character

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

Boulder Opal and Forsterite Transparency

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