Pyrrhotite and Titanite Optical Properties

Pyrrhotite

Titanite

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1 Optical Properties

1.1 Luster

Not Available

Subadamantine, Resinous

1.2 Pleochroism

Not Available

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

31.885-1.990

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

Not Available0.105-0.135

0 0.296

1.9 Clarity

Not Available

Pyrrhotite and Titanite Optic Character

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

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