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Black Opal
Black Opal

Moss Agate
Moss Agate



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Black Opal
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Moss Agate

Black Opal and Moss Agate Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TranslucentWalter Schumann, Gemstones of the world (2001)
1.5 Refractive Index
1.370-1.4701.530-1.540
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 Available0.004
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentWalter Schumann

Black Opal and Moss Agate Optic Character

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

Similar to their colors, Black Opal and Moss Agate 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.