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Sylvite
Sylvite

Catapleiite
Catapleiite



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Sylvite
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Catapleiite

Sylvite and Catapleiite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Visible in colored crystals
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
TransparentUlrich Henn and Claudio C. Milisenda

Refractive Index

1.49031.590-1.629
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.039
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Sylvite and Catapleiite Optic Character

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

Sylvite and Catapleiite Transparency

Similar to their colors, Sylvite and Catapleiite 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, Sylvite is while Sylvite is in appearance.