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Amblygonite
Amblygonite

Tigers Eye
Tigers Eye



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Amblygonite
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Tigers Eye

Amblygonite and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Silky
1.2 Pleochroism
weak to none
Not Available
1.3 Dispersion
0.01None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Opaque
1.5 Refractive Index
1.578-1.6461.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
Trigonal
1.8 Birefringence
0.020-0.030Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemstones of the world (2001) More from other references

Amblygonite and Tigers Eye Optic Character

Amblygonite and Tigers Eye optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Amblygonite and Tigers Eye 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 Amblygonite and Tigers Eye 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. Amblygonite has Biaxial/+ character.

Amblygonite and Tigers Eye Transparency

Similar to their colors, Amblygonite and Tigers Eye 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, Amblygonite is Gemmological Tables (2004) More from other references while Amblygonite is Gemmological Tables (2004) More from other references in appearance.