Jade and Sogdianite Optical Properties

Jade

Sogdianite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent, Translucent to opaque

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.600-1.6881.606-1.608

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.020-0.0270.002

0 0.296

1.9 Clarity

Translucent

OpaqueUlrich Henn and Claudio C. Milisenda

Jade and Sogdianite Optic Character

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

Similar to their colors, Jade and Sogdianite 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.