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Benitoite
Benitoite

Lepidocrocite
Lepidocrocite



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Benitoite
X
Lepidocrocite

Benitoite and Lepidocrocite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

O = colorless; E = purple
Strong; X = colorless to yellow; Y = orange

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.757-1.8041.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Orthorhombic

Birefringence

0.047-9999
0 0.296
👆🏻

Clarity

Transparent
-

Benitoite and Lepidocrocite Optic Character

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

Benitoite and Lepidocrocite Transparency

Similar to their colors, Benitoite and Lepidocrocite 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, Benitoite is Transparent while Benitoite is Transparent in appearance.