Jadeite and Omphacite Optical Properties

Jadeite

Omphacite

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1 Optical Properties

1.1 Luster

Pearly

Vitreous

1.2 Pleochroism

NilArthur Thomas

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.652-1.6881.662-1.723

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.013-0.020Not Available

0 0.296

1.9 Clarity

Translucent

TranslucentAnthony et al

Jadeite and Omphacite Optic Character

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

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Jadeite and Omphacite Transparency

Similar to their colors, Jadeite 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, Jadeite is Translucent while Jadeite is Translucent in appearance.