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Simpsonite
Simpsonite

Cordierite
Cordierite



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Simpsonite
X
Cordierite

Simpsonite and Cordierite Optical Properties

Optical Properties

Luster

Adamantine
Greasy, Vitreous

Pleochroism

-
X = pale yellow

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.994-2.040-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.046-9999
0 0.296
👆🏻

Clarity

-
-

Simpsonite and Cordierite Optic Character

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

Simpsonite and Cordierite Transparency

Similar to their colors, Simpsonite and Cordierite 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, Simpsonite is while Simpsonite is in appearance.