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Marialite
Marialite

Phosgenite
Phosgenite



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Marialite
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Phosgenite

Marialite and Phosgenite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly, Resinous
Adamantine
1.2 Pleochroism
Not Available
Weakly pleochroic with O reddish and E greenish in thick sections.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.540-1.5502.117-2.145
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
tetragonal
1.8 Birefringence
0.004-0.0080.027
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Marialite and Phosgenite Optic Character

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

Marialite and Phosgenite Transparency

Similar to their colors, Marialite 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, Marialite is Translucent and Transparent while Marialite is Translucent and Transparent in appearance.