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Scapolite
Scapolite

Phlogopite
Phlogopite



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Scapolite
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Phlogopite

Scapolite and Phlogopite Optical Properties

Optical Properties

Luster

-
Pearly

Pleochroism

-
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.540-1.5791.530-1.573
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.006-0.0370.0280-0.0450
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Scapolite and Phlogopite Optic Character

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

Scapolite and Phlogopite Transparency

Similar to their colors, Scapolite and Phlogopite 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, Scapolite is while Scapolite is in appearance.