Dravite and Baddeleyite Optical Properties

Dravite

Baddeleyite

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1 Optical Properties

1.1 Luster

Vitreous

Adamantine

1.2 Pleochroism

Very strong: pale yellow colorless

DistinctArthur Thomas

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.614-1.6662.13-2.20

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

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

1.8 Birefringence

0.014-0.0320.07

0 0.296

1.9 Clarity

Transparent

Dravite and Baddeleyite Optic Character

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

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