Shattuckite and Titanite Sphene Optical Properties

Shattuckite

Titanite Sphene

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1 Optical Properties

1.1 Luster

Silky

Not Available

1.2 Pleochroism

X = very pale blue; Y = pale blue; Z = deep blue

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

1.3 Dispersion

NA0.05

0.007 1

1.4 Transparency

Translucent

Transparent, Translucent

1.5 Refractive Index

1.752-1.8151.843-2.110

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.0630.100-0.192

0 0.296

1.9 Clarity

Translucent

Transparent

Shattuckite and Titanite Sphene Optic Character

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

Similar to their colors, Shattuckite 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, Shattuckite is Translucent while Shattuckite is Translucent in appearance.