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Ammolite
Ammolite

Idocrase
Idocrase



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Ammolite
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Idocrase

Ammolite and Idocrase Optical Properties

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Optical Properties

Luster

Silky, Vitreous
-

Pleochroism

None
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.520-1.6701.67-1.76
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
tetragonal

Birefringence

0.135-0.145-9999
0 0.296
👆🏻

Clarity

-
-

Ammolite and Idocrase Optic Character

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

Similar to their colors, Ammolite and Idocrase 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.