Baddeleyite and Erythrite Optical Properties

Baddeleyite

Erythrite

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1 Optical Properties

1.1 Luster

Adamantine

Subadamantine, Pearly

1.2 Pleochroism

DistinctArthur Thomas

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

2.13-2.201.626-1.629

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

0.07Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Baddeleyite and Erythrite Optic Character

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

Similar to their colors, Baddeleyite and Erythrite 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.