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Danburite
Danburite

Tigers Eye
Tigers Eye



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Danburite
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Tigers Eye

Danburite and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Silky
1.2 Pleochroism
Weak: pale yellow yellow
Not Available
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Opaque
1.5 Refractive Index
1.627-1.6391.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.006Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemstones of the world (2001) More from other references

Danburite and Tigers Eye Optic Character

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

Danburite and Tigers Eye Transparency

Similar to their colors, Danburite 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, Danburite is Gemmological Tables (2004) More from other references while Danburite is Gemmological Tables (2004) More from other references in appearance.