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Rosasite
Rosasite

Amazonite
Amazonite



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X
Rosasite
X
Amazonite

Rosasite and Amazonite Optical Properties

Optical Properties

Luster

Silky, Vitreous
Vitreous

Pleochroism

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

Dispersion

0.030.01
0.005 1
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Transparency

-
Translucent, Translucent to opaque

Refractive Index

1.672-1.6881.522-1.530
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

0.139-0.1430.008-0.010
0 0.296
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Clarity

-
Translucent

Rosasite and Amazonite Optic Character

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

Similar to their colors, Rosasite and Amazonite 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.