Topazolite and Titanite Sphene Optical Properties

Topazolite

Titanite Sphene

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1 Optical Properties

1.1 Luster

Subadamantine

Not Available

1.2 Pleochroism

Not Available

Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;

1.3 Dispersion

0.060.05

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

1.855-1.8951.843-2.110

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.100-0.192

0 0.296

1.9 Clarity

Transparent

Topazolite and Titanite Sphene Optic Character

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

Similar to their colors, Topazolite and Titanite Sphene 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, Topazolite is Transparent while Topazolite is Transparent in appearance.