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Black Opal
Black Opal

Rutilated Quartz
Rutilated Quartz



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Black Opal
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Rutilated Quartz

Black Opal and Rutilated Quartz Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
None0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.370-1.4701.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not Available0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Black Opal and Rutilated Quartz Optic Character

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

Similar to their colors, Black Opal and Rutilated Quartz 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.