Oligoclase and Heliodor Golden Beryl Optical Properties

Oligoclase

Heliodor Golden Beryl

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

Weak: golden-yellow

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Transparent, Translucent

1.5 Refractive Index

1.538-1.5501.566-1.579

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.0100.005-0.009

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Oligoclase and Heliodor Golden Beryl Optic Character

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

Similar to their colors, Oligoclase 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, Oligoclase is Gemmological Tables (2004) while Oligoclase is Gemmological Tables (2004) in appearance.