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Ammolite
Ammolite

Dioptase
Dioptase



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Ammolite
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Dioptase

Ammolite and Dioptase Optical Properties

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Optical Properties

Luster

Silky, Vitreous
Vitreous

Pleochroism

None
Weak; dark emerald green

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

-
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.520-1.6701.644-1.720
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.135-0.1450.051-0.053
0 0.296
👆🏻

Clarity

-
TranslucentHerve Nicolas Lazzarelli

Ammolite and Dioptase Optic Character

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

Similar to their colors, Ammolite and Dioptase 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.