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Tanzanite
Tanzanite

Hawks Eye
Hawks Eye



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Tanzanite
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Hawks Eye

Tanzanite and Hawks Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Present
Not Available
1.3 Dispersion
0.03NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Not Available
1.5 Refractive Index
1.685-1.707Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.006-0.018Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Tanzanite and Hawks Eye Optic Character

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

Tanzanite and Hawks Eye Transparency

Similar to their colors, Tanzanite and Hawks 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, Tanzanite is Transparent, Translucent and Transparent to translucent while Tanzanite is Transparent, Translucent and Transparent to translucent in appearance.