Californite and Topaz Optical Properties

Californite

Topaz

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Weak; present colour lighter

Weak

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Transparent

1.5 Refractive Index

1.700-1.7251.606-1.644

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.001-0.0120.008-0.011

0 0.296

1.9 Clarity

TranslucentWalter Schumann

TransparentUlrich Henn and Claudio C. Milisenda

Californite and Topaz Optic Character

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

Californite Vs Diopside

Californite Vs Emerald

Californite Vs Datolite

Californite and Topaz Transparency

Similar to their colors, Californite and Topaz 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.