Corundum and Heliodor Golden Beryl Optical Properties

Corundum

Heliodor Golden Beryl

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1 Optical Properties

1.1 Luster

Adamantine, Vitreous

Not Available

1.2 Pleochroism

None

Weak: golden-yellow

1.3 Dispersion

0.020.01

0.007 1

1.4 Transparency

Transparent, Translucent

1.5 Refractive Index

1.758-1.7801.566-1.579

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.007-0.0100.005-0.009

0 0.296

1.9 Clarity

Gemmological Tables (2004) More from other references

Transparent

Corundum and Heliodor Golden Beryl Optic Character

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

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Corundum and Heliodor Golden Beryl Transparency

Similar to their colors, Corundum and Heliodor Golden Beryl 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, Corundum is Translucent and Transparent while Corundum is Translucent and Transparent in appearance.