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Ammolite
Ammolite

Tourmaline
Tourmaline



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Ammolite
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Tourmaline

Ammolite and Tourmaline Optical Properties

1 Optical Properties
1.1 Luster
Silky, Vitreous
Vitreous
1.2 Pleochroism
None
typically moderate to strong
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.520-1.6701.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.135-0.1450.014-0.040
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Ammolite and Tourmaline Optic Character

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

Ammolite and Tourmaline Transparency

Similar to their colors, Ammolite 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, Ammolite is Not Available while Ammolite is Not Available in appearance.