×

Rosasite
Rosasite

Phosgenite
Phosgenite



ADD
Compare
X
Rosasite
X
Phosgenite

Rosasite and Phosgenite Optical Properties

Optical Properties

Luster

Silky, Vitreous
Adamantine

Pleochroism

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
Weakly pleochroic with O reddish and E greenish in thick sections.

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.672-1.6882.117-2.145
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
tetragonal

Birefringence

0.139-0.1430.027
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Rosasite and Phosgenite Optic Character

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

Similar to their colors, Rosasite and Phosgenite 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.