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Tahitian pearl
Tahitian pearl

Umbalite
Umbalite



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Tahitian pearl
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Umbalite

Tahitian pearl and Umbalite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TransparentGemdat.org, Management Team (2012)
1.5 Refractive Index
Not Available1.730-1.820
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentGemdat.org

Tahitian pearl and Umbalite Optic Character

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

Similar to their colors, Tahitian pearl and Umbalite 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 Not Available while Tahitian pearl is Not Available in appearance.