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Chiastolite
Chiastolite

Black Opal
Black Opal



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Chiastolite
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Black Opal

Chiastolite and Black Opal Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.627-1.6451.370-1.470
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.007-0.013Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Chiastolite and Black Opal Optic Character

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

Chiastolite and Black Opal Transparency

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