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Smithsonite
Smithsonite

Rosasite
Rosasite



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Smithsonite
X
Rosasite

Smithsonite and Rosasite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Silky, Vitreous

Pleochroism

-
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.620-1.8501.672-1.688
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.223-0.2270.139-0.143
0 0.296
👆🏻

Clarity

Translucent
-

Smithsonite and Rosasite Optic Character

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

Smithsonite and Rosasite Transparency

Similar to their colors, Smithsonite and Rosasite 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, Smithsonite is Translucent while Smithsonite is Translucent in appearance.