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Ammolite
Ammolite

Forsterite
Forsterite



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Ammolite
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Forsterite

Ammolite and Forsterite Optical Properties

Optical Properties

Luster

Silky, Vitreous
Vitreous

Pleochroism

None
colorless.

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.520-1.6701.635-1.671
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.135-0.1450.033-0.042
0 0.296
👆🏻

Clarity

-
Transparent

Ammolite and Forsterite Optic Character

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

Similar to their colors, Ammolite and Forsterite 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 while Ammolite is in appearance.