Musgravite and Titanite Sphene Optical Properties

Musgravite

Titanite Sphene

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

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

1.3 Dispersion

NA0.05

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Transparent, Translucent

1.5 Refractive Index

1.719-1.7391.843-2.110

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.014-0.0160.100-0.192

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Musgravite and Titanite Sphene Optic Character

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

Similar to their colors, Musgravite 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, Musgravite is Gemmological Tables (2004) while Musgravite is Gemmological Tables (2004) in appearance.