Heliodor Golden Beryl and Danburite Optical Properties

Heliodor Golden Beryl

Danburite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Greasy

1.2 Pleochroism

Weak: golden-yellow

Weak: pale yellow yellow

1.3 Dispersion

0.010.02

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.566-1.5791.627-1.639

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.005-0.0090.006

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Heliodor Golden Beryl and Danburite Optic Character

Heliodor Golden Beryl and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Heliodor Golden Beryl and Danburite 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 Danburite 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. Danburite has Biaxial/+ character.

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Heliodor Golden Beryl and Danburite Transparency

Similar to their colors, Heliodor Golden Beryl and Danburite 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.