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Fibrolite
Fibrolite

Nepheline
Nepheline



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Fibrolite
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Nepheline

Fibrolite and Nepheline Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
DistinctArthur Thomas
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.658-1.6781.529-1.547
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not Available0.003-0.004
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Fibrolite and Nepheline Optic Character

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

Fibrolite and Nepheline Transparency

Similar to their colors, Fibrolite and Nepheline 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.