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Marialite
Marialite

Poudretteite
Poudretteite



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Marialite
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Poudretteite

Marialite and Poudretteite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly, Resinous
Vitreous
1.2 Pleochroism
Not Available
Colorless
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
1.540-1.5501.511-1.532
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Hexagonal
1.8 Birefringence
0.004-0.0080.021
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Marialite and Poudretteite Optic Character

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

Similar to their colors, Marialite and Poudretteite 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.