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Friedelite
Friedelite

Lepidocrocite
Lepidocrocite



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X
Friedelite
X
Lepidocrocite

Friedelite and Lepidocrocite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
Strong; X = colorless to yellow; Y = orange

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.627-1.6631.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Orthorhombic

Birefringence

0.032-0.035-9999
0 0.296
👆🏻

Clarity

Translucent
-

Friedelite and Lepidocrocite Optic Character

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

Friedelite and Lepidocrocite Transparency

Similar to their colors, Friedelite 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, Friedelite is Translucent while Friedelite is Translucent in appearance.