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Andradite
Andradite

Tanzanite
Tanzanite



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Andradite and Tanzanite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Resinous
Vitreous
1.2 Pleochroism
Not Available
Present
1.3 Dispersion
Albite Optical ..
0.06
Rank: 7 (Overall)
0.03
Rank: 14 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.88-1.94
1.685-1.707
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic
1.8 Birefringence
0.057
0.006-0.018
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Andradite and Tanzanite Optic Character

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

Andradite and Tanzanite Transparency

Similar to their colors, Andradite and Tanzanite 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, Andradite is Transparent while Andradite is Transparent in appearance.