Boulder Opal and Heliodor Golden Beryl Optical Properties

Boulder Opal

Heliodor Golden Beryl

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Weak: golden-yellow

1.3 Dispersion

None0.01

0.007 1

1.4 Transparency

Transparent, Translucent

1.5 Refractive Index

1.370-1.4701.566-1.579

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.005-0.009

0 0.296

1.9 Clarity

Transparent

Boulder Opal and Heliodor Golden Beryl Optic Character

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

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