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Tigers Eye
Tigers Eye

Andalusite
Andalusite



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Tigers Eye
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Andalusite

Tigers Eye and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Vitreous, Greasy
1.2 Pleochroism
Not Available
strongly trichroic
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Transparent, Translucent
1.5 Refractive Index
1.534-1.5401.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
Not Available0.009-0.010
Achroite
0 0.296
1.9 Clarity
Gemstones of the world (2001) More from other references
Transparent

Tigers Eye and Andalusite Optic Character

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

Similar to their colors, Tigers Eye and Andalusite 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.