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Stolzite
Stolzite

Phosgenite
Phosgenite



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Stolzite
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Phosgenite

Stolzite and Phosgenite Optical Properties

Optical Properties

Luster

Resinous, Subadamantine
Adamantine

Pleochroism

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

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.180-2.1902.117-2.145
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
tetragonal

Birefringence

0.0900.027
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Stolzite and Phosgenite Optic Character

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

Stolzite and Phosgenite Transparency

Similar to their colors, Stolzite 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, Stolzite is while Stolzite is in appearance.