Crocoite and Chalcopyrite Optical Properties

Crocoite

Chalcopyrite

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

Distinctly trichroic

AbsentWalter Schumann

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Handbook of mineralogy (2001)

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

tetragonal

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Handbook of mineralogy (2001)

Crocoite and Chalcopyrite Optic Character

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

Similar to their colors, Crocoite and Chalcopyrite 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.