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Anglesite
Anglesite

Phosgenite
Phosgenite



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Anglesite
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Phosgenite

Anglesite and Phosgenite Optical Properties

Optical Properties

Luster

Adamantine
Adamantine

Pleochroism

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

Dispersion

0.040.04
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.877-1.8942.117-2.145
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.0170.027
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Anglesite and Phosgenite Optic Character

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

Anglesite and Phosgenite Transparency

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