Titanite and Angelite Optical Properties

Titanite

Angelite

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1 Optical Properties

1.1 Luster

Subadamantine, Resinous

Not Available

1.2 Pleochroism

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

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.885-1.990Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.105-0.135Not Available

0 0.296

1.9 Clarity

Not Available

Titanite and Angelite Optic Character

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

Similar to their colors, Titanite and Angelite 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.