Hiddenite and Omphacite Optical Properties

Hiddenite

Omphacite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli

Weak: colorless -- very pale green -- very pale green

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.657-1.6811.662-1.723

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

TranslucentAnthony et al

Hiddenite and Omphacite Optic Character

Hiddenite and Omphacite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Hiddenite and Omphacite 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 Omphacite 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 Green Gemstones

Hiddenite Vs Lazurite

Hiddenite Vs Kyanite Cyprine

Hiddenite Vs Liddicoatite

Hiddenite and Omphacite Transparency

Similar to their colors, Hiddenite and Omphacite 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.