Titanite Sphene and Sinhalite Optical Properties

Titanite Sphene

Sinhalite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

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

Trichroism: green light brown dark brownHerve Nicolas Lazzarelli

1.3 Dispersion

0.050.02

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.843-2.1101.665-1.712

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.100-0.1920.036-0.042

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Titanite Sphene and Sinhalite Optic Character

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

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