Titanite and Californite Optical Properties

Titanite

Californite

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1 Optical Properties

1.1 Luster

Subadamantine, Resinous

Vitreous

1.2 Pleochroism

Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange

Weak; present colour lighter

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

TranslucentWalter Schumann, Gemstones of the world (2001)

1.5 Refractive Index

1.885-1.9901.700-1.725

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.105-0.1350.001-0.012

0 0.296

1.9 Clarity

Not Available

TranslucentWalter Schumann

Titanite and Californite Optic Character

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

Similar to their colors, Titanite 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, Titanite is Not Available while Titanite is Not Available in appearance.