Vivianite and Baddeleyite Optical Properties

Vivianite

Baddeleyite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Adamantine

1.2 Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

DistinctArthur Thomas

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.560-1.6402.13-2.20

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

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

1.8 Birefringence

0.054-0.0750.07

0 0.296

1.9 Clarity

Transparent

Vivianite and Baddeleyite Optic Character

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

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