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Tahitian pearl
Tahitian pearl
☒

Andalusite
Andalusite
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Tahitian pearl
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Andalusite

Tahitian pearl and Andalusite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.29
-
-9999
-
-
-9999
-
 
Vitreous, Greasy
strongly trichroic
0.02
Transparent, Translucent
1.627-1.650
-
Orthorhombic
0.009-0.010
Transparent

Tahitian pearl and Andalusite Optic Character

Tahitian pearl and Andalusite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Tahitian pearl Vs Andalusite 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 Tahitian pearl and Andalusite 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.

Tahitian pearl and Andalusite Transparency

Similar to their colors, Tahitian pearl and Andalusite 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, Tahitian pearl is while Tahitian pearl is in appearance.