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Titanite
Titanite

Phosphophyllite
Phosphophyllite



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Titanite
X
Phosphophyllite

Titanite and Phosphophyllite Optical Properties

Optical Properties

Luster

Subadamantine, Resinous
-

Pleochroism

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

Dispersion

0.050.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.885-1.9901.595-1.621
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.105-0.1350.021
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Titanite and Phosphophyllite Optic Character

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

Titanite and Phosphophyllite Transparency

Similar to their colors, Titanite and Phosphophyllite 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 while Titanite is in appearance.