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Ivory
Ivory

Tourmaline
Tourmaline



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Ivory
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Tourmaline

Ivory and Tourmaline Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
NoneWalter Schumann
typically moderate to strong
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.535-1.5701.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.014-0.040
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Ivory and Tourmaline Optic Character

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

Ivory and Tourmaline Transparency

Similar to their colors, Ivory and Tourmaline 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, Ivory is Translucent while Ivory is Translucent in appearance.