Hemimorphite and Titanite Sphene Optical Properties

Hemimorphite

Titanite Sphene

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1 Optical Properties

1.1 Luster

Vitreous, Adamantine, Silky

Not Available

1.2 Pleochroism

AbsentWalter Schumann

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

1.614-1.6361.843-2.110

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.0220.100-0.192

0 0.296

1.9 Clarity

Transparent

Hemimorphite and Titanite Sphene Optic Character

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

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