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Californite and Gahnospinel Optical Properties


Gahnospinel and Californite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Weak; present colour lighter   
AbsentWalter Schumann   

Dispersion
Not Available   
Not Available   

Transparency
TranslucentWalter Schumann, Gemstones of the world (2001)   
Gemmological Tables (2004)   

Refractive Index
1.700-1.725   
1.735-1.790   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Isometric   

Birefringence
0.001-0.012   
Not Available   

Clarity
TranslucentWalter Schumann   
TransparentUlrich Henn and Claudio C. Milisenda   

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Californite and Gahnospinel Optic Character

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

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Californite and Gahnospinel Transparency

Similar to their colors, Californite and Gahnospinel 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.

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