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Seraphinite
Seraphinite

Phosgenite
Phosgenite



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Seraphinite
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Phosgenite

Seraphinite and Phosgenite Optical Properties

Optical Properties

Luster

Pearly, Greasy
Adamantine

Pleochroism

-
Weakly pleochroic with O reddish and E greenish in thick sections.

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.571-1.5972.117-2.145
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

-
tetragonal

Birefringence

-99990.027
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Seraphinite and Phosgenite Optic Character

Seraphinite and Phosgenite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Seraphinite 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 Seraphinite 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. Seraphinite has Biaxial/+ character.

Seraphinite and Phosgenite Transparency

Similar to their colors, Seraphinite 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, Seraphinite is Transparent while Seraphinite is Transparent in appearance.