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Common Opal
Common Opal

Marialite
Marialite



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Common Opal
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Marialite

Common Opal and Marialite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly, Resinous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.37-1.521.540-1.550
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
Not Available0.004-0.008
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Common Opal and Marialite Optic Character

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

Common Opal and Marialite Transparency

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