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Pyrophyllite
Pyrophyllite

Celestine
Celestine



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Pyrophyllite
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Celestine

Pyrophyllite and Celestine Optical Properties

Optical Properties

Luster

Pearly
Vitreous, Pearly

Pleochroism

-
Weakly trichroiC

Dispersion

0.050.01
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.534-1.6011.619-1.635
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0500.004-0.012
0 0.296
👆🏻

Clarity

Translucent
-

Pyrophyllite and Celestine Optic Character

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

Pyrophyllite and Celestine Transparency

Similar to their colors, Pyrophyllite and Celestine 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, Pyrophyllite is Translucent while Pyrophyllite is Translucent in appearance.