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Phosgenite
Phosgenite

Angelite
Angelite



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Phosgenite
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Angelite

Phosgenite and Angelite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
Weakly pleochroic with O reddish and E greenish in thick sections.
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
2.117-2.145
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Orthorhombic
1.8 Birefringence
0.027
Not Available
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Phosgenite and Angelite Optic Character

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

Phosgenite and Angelite Transparency

Similar to their colors, Phosgenite and Angelite 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, Phosgenite is Gemmological Tables (2004) More from other references while Phosgenite is Gemmological Tables (2004) More from other references in appearance.