Crocoite and Povondraite Optical Properties

Crocoite

Povondraite

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1 Optical Properties

1.1 Luster

Adamantine

Resinous

1.2 Pleochroism

Distinctly trichroic

Strong: yellow-brown

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Translucent

1.5 Refractive Index

2.31-2.66Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Translucent

Crocoite and Povondraite Optic Character

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

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Crocoite and Povondraite Transparency

Similar to their colors, Crocoite and Povondraite 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, Crocoite is Transparent while Crocoite is Transparent in appearance.