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Rosasite
Rosasite

Vesuvianite
Vesuvianite



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Rosasite
X
Vesuvianite

Rosasite and Vesuvianite Optical Properties

Optical Properties

Luster

Silky, Vitreous
Vitreous, Resinous

Pleochroism

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
slight in colored varieties

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.672-1.6881.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
tetragonal

Birefringence

0.139-0.1430.004-0.006
0 0.296
👆🏻

Clarity

-
-

Rosasite and Vesuvianite Optic Character

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

Rosasite and Vesuvianite Transparency

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