Californite and Omphacite Optical Properties

Californite

Omphacite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Weak; present colour lighter

Weak: colorless -- very pale green -- very pale green

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.700-1.7251.662-1.723

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.001-0.012Not Available

0 0.296

1.9 Clarity

TranslucentWalter Schumann

TranslucentAnthony et al

Californite and Omphacite Optic Character

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

Similar to their colors, Californite and Omphacite 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.