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Demantoid
Demantoid

Tigers Eye
Tigers Eye



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Tigers Eye

Demantoid and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Silky
1.2 Pleochroism
None
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004)
Opaque
1.5 Refractive Index
1.880-1.890
1.534-1.540
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Trigonal
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemstones of the world (2001) More from other references

Demantoid and Tigers Eye Optic Character

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

Demantoid and Tigers Eye Transparency

Similar to their colors, Demantoid 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, Demantoid is Gemmological Tables (2004) while Demantoid is Gemmological Tables (2004) in appearance.