Californite and Emerald Optical Properties

Californite

Emerald

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Weak; present colour lighter

Strong dichroism: yellow green Lazzarelli

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.700-1.7251.565-1.602

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

0.001-0.0120.0040-0.0070

0 0.296

1.9 Clarity

TranslucentWalter Schumann

Color grading system

Californite and Emerald Optic Character

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

Similar to their colors, Californite and Emerald 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.