Nepheline and Heliodor Golden Beryl Optical Properties

Nepheline

Heliodor Golden Beryl

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous, Greasy

Not Available

1.2 Pleochroism

Not Available

Weak: golden-yellow

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Transparent, Translucent

1.5 Refractive Index

1.529-1.5471.566-1.579

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.003-0.0040.005-0.009

0 0.296

1.9 Clarity

Transparent

Nepheline and Heliodor Golden Beryl Optic Character

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

Compare Red Gemstones

Nepheline Vs Pyrope

Nepheline Vs Pyrope Spessartine

Nepheline Vs Prase Opal

Nepheline and Heliodor Golden Beryl Transparency

Similar to their colors, Nepheline 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, Nepheline is Translucent and Transparent while Nepheline is Translucent and Transparent in appearance.