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Common Opal
Common Opal

Schultenite
Schultenite



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Common Opal
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Schultenite

Common Opal and Schultenite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
1.37-1.521.890-1.976
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentAnthony et al

Common Opal and Schultenite Optic Character

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

Similar to their colors, Common Opal and Schultenite 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.