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Dioptase
Dioptase

Tigers Eye
Tigers Eye



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Dioptase
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Tigers Eye

Dioptase and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Silky
1.2 Pleochroism
Weak; dark emerald green
Not Available
1.3 Dispersion
Albite Optical ..
0.04
Rank: 13 (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
TranslucentHerve Nicolas Lazzarelli
Opaque
1.5 Refractive Index
1.644-1.720
1.534-1.540
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.051-0.053
Not Available
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Gemstones of the world (2001) More from other references

Dioptase and Tigers Eye Optic Character

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

Dioptase and Tigers Eye Transparency

Similar to their colors, Dioptase 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.