Hiddenite and Boulder Opal Optical Properties

Hiddenite

Boulder Opal

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli

AbsentWalter Schumann

1.3 Dispersion

0.02None

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

1.657-1.6811.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.014-0.016Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Hiddenite and Boulder Opal Optic Character

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

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