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Beryl
Beryl

Copper
Copper



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Beryl
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Copper

Beryl and Copper Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

Weak to distinct
-

Dispersion

0.010.00
0.005 1
👆🏻

Transparency

Transparent, Transparent to opaque
-

Refractive Index

1.560-1.604-9999
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m

Birefringence

0.0040-0.0070-9999
0 0.296
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Clarity

Transparent
-

Beryl and Copper Optic Character

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

Beryl and Copper Transparency

Similar to their colors, Beryl and Copper 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, Beryl is Transparent and Transparent to opaque while Beryl is Transparent and Transparent to opaque in appearance.