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Schorl
Schorl

Phosphophyllite
Phosphophyllite



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Schorl
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Phosphophyllite

Schorl and Phosphophyllite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Very strong: yellow-brown pale yellow
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.635-1.6721.595-1.621
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.0250.021
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Schorl and Phosphophyllite Optic Character

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

Schorl and Phosphophyllite Transparency

Similar to their colors, Schorl 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, Schorl is Transparent and Translucent while Schorl is Transparent and Translucent in appearance.