Hurlbutite and Californite Optical Properties

Hurlbutite

Californite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Weak; present colour lighter

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

TranslucentWalter Schumann, Gemstones of the world (2001)

1.5 Refractive Index

1.595-1.6041.700-1.725

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Not Available

1.8 Birefringence

0.0090.001-0.012

0 0.296

1.9 Clarity

Transparent

TranslucentWalter Schumann

Hurlbutite and Californite Optic Character

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

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Hurlbutite and Californite Transparency

Similar to their colors, Hurlbutite 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, Hurlbutite is Transparent while Hurlbutite is Transparent in appearance.