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Celestine
Celestine

Crocoite
Crocoite



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Celestine
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Crocoite

Celestine and Crocoite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Adamantine

Pleochroism

Weakly trichroiC
Distinctly trichroic

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.619-1.6352.31-2.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n

Birefringence

0.004-0.012-9999
0 0.296
👆🏻

Clarity

-
Transparent

Celestine and Crocoite Optic Character

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

Celestine and Crocoite Transparency

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