Baddeleyite and Titanite Sphene Optical Properties

Baddeleyite

Titanite Sphene

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

DistinctArthur Thomas

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

1.3 Dispersion

NA0.05

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

2.13-2.201.843-2.110

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c

Not Available

1.8 Birefringence

0.070.100-0.192

0 0.296

1.9 Clarity

Transparent

Baddeleyite and Titanite Sphene Optic Character

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

Similar to their colors, Baddeleyite 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, Baddeleyite is Transparent while Baddeleyite is Transparent in appearance.