Titanite and Erythrite Optical Properties

Titanite

Erythrite

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1 Optical Properties

1.1 Luster

Subadamantine, Resinous

Subadamantine, Pearly

1.2 Pleochroism

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

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.885-1.9901.626-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

0.105-0.135Not Available

0 0.296

1.9 Clarity

Not Available

Titanite and Erythrite Optic Character

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

Similar to their colors, Titanite and Erythrite 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.