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Black Opal
Black Opal

Wardite
Wardite



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Black Opal
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Wardite

Black Opal and Wardite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.370-1.4701.590-1.599
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 Available0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Black Opal and Wardite Optic Character

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

Black Opal and Wardite Transparency

Similar to their colors, Black Opal and Wardite 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, Black Opal is Translucent and Transparent while Black Opal is Translucent and Transparent in appearance.