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Larimar
Larimar

Tanzanite
Tanzanite



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Larimar
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Tanzanite

Larimar and Tanzanite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Present
1.3 Dispersion
NA0.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.595-1.6451.685-1.707
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.032-0.0380.006-0.018
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
TransparentUlrich Henn and Claudio C. Milisenda

Larimar and Tanzanite Optic Character

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

Larimar and Tanzanite Transparency

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