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Boulder Opal
Boulder Opal

Moissanite
Moissanite



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Boulder Opal
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Moissanite

Boulder Opal and Moissanite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
1.3 Dispersion
None0.10
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.370-1.4702.648-2.691
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
6H polytype
1.8 Birefringence
Not Available0.043
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Boulder Opal and Moissanite Optic Character

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

Similar to their colors, Boulder Opal and Moissanite 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.