Californite and Hibonite Optical Properties

Californite

Hibonite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Weak; present colour lighter

O = brownish gray; E = gray

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Handbook of mineralogy (2001)

1.5 Refractive Index

1.700-1.7251.79-1.807

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

0.001-0.012Not Available

0 0.296

1.9 Clarity

TranslucentWalter Schumann

Handbook of mineralogy (2001)

Californite and Hibonite Optic Character

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

Compare Gems Found in USA

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Californite and Hibonite Transparency

Similar to their colors, Californite and Hibonite 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.