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Binghamite
Binghamite

Verdelite
Verdelite



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Binghamite
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Verdelite

Binghamite and Verdelite Optical Properties

Optical Properties

Luster

Waxy
-

Pleochroism

-
Strong: dark green yellow

Dispersion

-0.02
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.530-1.5431.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.003-0.0090.014-0.040
0 0.296
👆🏻

Clarity

Translucent
Transparent

Binghamite and Verdelite Optic Character

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

Binghamite and Verdelite Transparency

Similar to their colors, Binghamite and Verdelite 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, Binghamite is Translucent while Binghamite is Translucent in appearance.