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Fibrolite and Oligoclase Optical Properties


Oligoclase and Fibrolite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
DistinctArthur Thomas   
Not Available   

Dispersion
0.02   
24
Not Available   

Transparency
Transparent   
Gemmological Tables (2004)   

Refractive Index
1.658-1.678   
1.538-1.550   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
0.010   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Fibrolite and Oligoclase Optic Character

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

Similar to their colors, Fibrolite and Oligoclase 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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