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Tigers Eye
Tigers Eye

Erythrite
Erythrite



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Tigers Eye
X
Erythrite

Tigers Eye and Erythrite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Subadamantine, Pearly
1.2 Pleochroism
Not Available
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Not Available
1.5 Refractive Index
1.534-1.5401.626-1.629
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Gemstones of the world (2001) More from other references
Not Available

Tigers Eye and Erythrite Optic Character

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

Similar to their colors, Tigers Eye and Erythrite 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.