Kornerupine and Heliodor Golden Beryl Optical Properties

Kornerupine

Heliodor Golden Beryl

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

X = colorless to green; Y = colorless

Weak: golden-yellow

1.3 Dispersion

0.020.01

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Translucent

1.5 Refractive Index

1.660-1.6851.566-1.579

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.012-0.0170.005-0.009

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Kornerupine and Heliodor Golden Beryl Optic Character

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

Similar to their colors, Kornerupine 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, Kornerupine is Gemmological Tables (2004) More from other references while Kornerupine is Gemmological Tables (2004) More from other references in appearance.