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Californite
Californite

Black Opal
Black Opal



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Californite
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Black Opal

Californite and Black Opal Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Weak; present colour lighter
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001)
Transparent, Translucent
1.5 Refractive Index
1.700-1.7251.370-1.470
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.001-0.012Not Available
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
Transparent

Californite and Black Opal Optic Character

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

Californite and Black Opal Transparency

Similar to their colors, Californite 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, Californite is Gemstones of the world (2001) and TranslucentWalter Schumann while Californite is Gemstones of the world (2001) and TranslucentWalter Schumann in appearance.