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Tigers Eye
Tigers Eye

Pumpellyite
Pumpellyite



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Tigers Eye
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Pumpellyite

Tigers Eye and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Fibrous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Opaque
Gemmological Tables (2004)
1.5 Refractive Index
1.534-1.540
1.674-1.764
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
Not Available
0.014-0.016
1.9 Clarity
Gemstones of the world (2001) More from other references
OpaqueUlrich Henn and Claudio C. Milisenda

Tigers Eye and Pumpellyite Optic Character

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

Tigers Eye and Pumpellyite Transparency

Similar to their colors, Tigers Eye and Pumpellyite 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, Tigers Eye is Opaque while Tigers Eye is Opaque in appearance.