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Friedelite
Friedelite

Smithsonite
Smithsonite



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Friedelite
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Smithsonite

Friedelite and Smithsonite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.627-1.6631.620-1.850
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.032-0.0350.223-0.227
0 0.296
👆🏻

Clarity

Translucent
Translucent

Friedelite and Smithsonite Optic Character

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

Similar to their colors, Friedelite and Smithsonite 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.