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Fibrolite and Boulder Opal Optical Properties


Boulder Opal and Fibrolite Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
DistinctArthur Thomas   
AbsentWalter Schumann   

Dispersion
0.02   
24
None   

Transparency
Transparent   
Transparent, Translucent   

Refractive Index
1.658-1.678   
1.370-1.470   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
Transparent   

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<< Physical Properties

Fibrolite and Boulder Opal Optic Character

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

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Fibrolite and Boulder Opal Transparency

Similar to their colors, Fibrolite 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, Fibrolite is Transparent while Fibrolite is Transparent in appearance.

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