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Idocrase
Idocrase

Catapleiite
Catapleiite



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Idocrase
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Catapleiite

Idocrase and Catapleiite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
TransparentUlrich Henn and Claudio C. Milisenda

Refractive Index

1.67-1.761.590-1.629
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
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

Idocrase and Catapleiite Optic Character

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

Idocrase and Catapleiite Transparency

Similar to their colors, Idocrase 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, Idocrase is while Idocrase is in appearance.