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Tigers Eye
Tigers Eye

Astrophyllite
Astrophyllite



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Tigers Eye
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Astrophyllite

Tigers Eye and Astrophyllite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Greasy, Pearly
1.2 Pleochroism
Not Available
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Opaque
Translucent
1.5 Refractive Index
1.534-1.540
1.678-1.758
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
Not Available
0.050
1.9 Clarity
Gemstones of the world (2001) More from other references
Translucent

Tigers Eye and Astrophyllite Optic Character

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

Similar to their colors, Tigers Eye and Astrophyllite 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.