Heliodor Golden Beryl and Umbalite Optical Properties

Heliodor Golden Beryl

Umbalite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Weak: golden-yellow

Not Available

1.3 Dispersion

0.010.02

0.007 1

1.4 Transparency

Transparent, Translucent

TransparentGemdat.org, Management Team (2012)

1.5 Refractive Index

1.566-1.5791.730-1.820

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.005-0.009Not Available

0 0.296

1.9 Clarity

Transparent

TransparentGemdat.org

Heliodor Golden Beryl and Umbalite Optic Character

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

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