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Clintonite
Clintonite

Danburite
Danburite



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Clintonite
X
Danburite

Clintonite and Danburite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Greasy

Pleochroism

X = colorless
Weak: pale yellow yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.643-1.6481.627-1.639
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

monoclinic
Orthorhombic

Birefringence

0.012-0.0150.006
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Clintonite and Danburite Optic Character

Clintonite and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Clintonite and Danburite 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 Clintonite and Danburite 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. Danburite has Biaxial/+ character.

Clintonite and Danburite Transparency

Similar to their colors, Clintonite and Danburite 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, Clintonite is while Clintonite is in appearance.