Anhydrite and Californite Optical Properties

Anhydrite

Californite

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1 Optical Properties

1.1 Luster

Pearly, Greasy

Vitreous

1.2 Pleochroism

For violet varieties

Weak; present colour lighter

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent

TranslucentWalter Schumann, Gemstones of the world (2001)

1.5 Refractive Index

1.570-1.6141.700-1.725

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.042-0.0440.001-0.012

0 0.296

1.9 Clarity

Transparent

TranslucentWalter Schumann

Anhydrite and Californite Optic Character

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

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