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Tigers Eye
Tigers Eye

Dumortierite
Dumortierite



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Tigers Eye
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Dumortierite

Tigers Eye and Dumortierite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Vitreous
1.2 Pleochroism
Not Available
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Translucent, Translucent to opaque
1.5 Refractive Index
1.534-1.5401.669-1.723
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
Not Available0.011-0.037
Achroite
0 0.296
1.9 Clarity
Gemstones of the world (2001) More from other references
Translucent

Tigers Eye and Dumortierite Optic Character

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

Similar to their colors, Tigers Eye and Dumortierite 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.