Jade and Omphacite Optical Properties

Jade

Omphacite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

AbsentWalter Schumann

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

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent, Translucent to opaque

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.600-1.6881.662-1.723

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.020-0.027Not Available

0 0.296

1.9 Clarity

Translucent

TranslucentAnthony et al

Jade and Omphacite Optic Character

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

Similar to their colors, Jade 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, Jade is Translucent and Translucent to opaque while Jade is Translucent and Translucent to opaque in appearance.