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Precious Opal
Precious Opal

Californite
Californite



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Precious Opal
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Californite

Precious Opal and Californite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Weak; present colour lighter
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TranslucentWalter Schumann, Gemstones of the world (2001)
1.5 Refractive Index
1.370-1.4701.700-1.725
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 Available0.001-0.012
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentWalter Schumann

Precious Opal and Californite Optic Character

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

Precious Opal and Californite Transparency

Similar to their colors, Precious Opal and Californite 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, Precious Opal is Translucent and Transparent while Precious Opal is Translucent and Transparent in appearance.