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Catapleiite
Catapleiite

Covellite
Covellite



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Catapleiite
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Covellite

Catapleiite and Covellite Optical Properties

Optical Properties

Luster

Vitreous
Resinous

Pleochroism

-
Marked

Dispersion

0.010.08
0.005 1
👆🏻

Transparency

TransparentUlrich Henn and Claudio C. Milisenda
OpaqueAnthony et al

Refractive Index

1.590-1.6291.45-2.62
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Hexagonal

Birefringence

0.039-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
OpaqueAnthony et al

Catapleiite and Covellite Optic Character

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

Catapleiite and Covellite Transparency

Similar to their colors, Catapleiite and Covellite 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, Catapleiite is TransparentUlrich Henn and Claudio C. Milisenda while Catapleiite is TransparentUlrich Henn and Claudio C. Milisenda in appearance.