Verdelite and Titanite Sphene Optical Properties

Verdelite

Titanite Sphene

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Strong: dark green yellow

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

1.3 Dispersion

0.020.05

0.007 1

1.4 Transparency

Transparent, Translucent

1.5 Refractive Index

1.614-1.6661.843-2.110

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.014-0.0400.100-0.192

0 0.296

1.9 Clarity

Transparent

Verdelite and Titanite Sphene Optic Character

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

Compare Green Gemstones

Verdelite Vs Watermelon Tourmaline

Verdelite Vs Wavellite

Verdelite Vs White Opal

Verdelite and Titanite Sphene Transparency

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