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Annabergite
Annabergite

Periclase
Periclase



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Annabergite
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Periclase

Annabergite and Periclase Optical Properties

Optical Properties

Luster

Subadamantine, Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
TransparentWalter Schumann

Refractive Index

1.6221.735-1.738
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Isometric

Birefringence

0.065-9999
0 0.296
👆🏻

Clarity

-
TransparentWalter Schumann

Annabergite and Periclase Optic Character

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

Annabergite and Periclase Transparency

Similar to their colors, Annabergite and Periclase 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, Annabergite is while Annabergite is in appearance.