Baddeleyite and Esperite Optical Properties

Baddeleyite

Esperite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

DistinctArthur Thomas

colorless.

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

OpaqueAnthony et al, Opaque, Transparent

1.5 Refractive Index

2.13-2.201.760-1.774

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

monoclinic

1.8 Birefringence

0.070.012

0 0.296

1.9 Clarity

Transparent

OpaqueAnthony et al

Baddeleyite and Esperite Optic Character

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

Similar to their colors, Baddeleyite and Esperite 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.