Baddeleyite and Tourmaline Optical Properties

Baddeleyite

Tourmaline

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

DistinctArthur Thomas

typically moderate to strong

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent, Transparent to opaque

1.5 Refractive Index

2.13-2.201.614-1.666

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

Trigonal

1.8 Birefringence

0.070.014-0.040

0 0.296

1.9 Clarity

Transparent

Baddeleyite and Tourmaline Optic Character

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

Similar to their colors, Baddeleyite and Tourmaline 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.