Rubellite and Titanite Sphene Optical Properties

Rubellite

Titanite Sphene

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Strong: dark red pinkish-redHerve Nicolas Lazzarelli

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

Rubellite and Titanite Sphene Optic Character

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

Rubellite Vs Scorzalite

Rubellite Vs Serendibite

Rubellite Vs Shattuckite

Rubellite and Titanite Sphene Transparency

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