Rutile and Sogdianite Optical Properties

Rutile

Sogdianite

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

Weak to distinct brownish red-green-yellow

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

2.609-2.9031.606-1.608

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

0.2960.002

0 0.296

1.9 Clarity

Transparent

OpaqueUlrich Henn and Claudio C. Milisenda

Rutile and Sogdianite Optic Character

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

Similar to their colors, Rutile 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, Rutile is Translucent and Transparent while Rutile is Translucent and Transparent in appearance.