Rutile and Crocoite Optical Properties

Rutile

Crocoite

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1 Optical Properties

1.1 Luster

Adamantine

1.2 Pleochroism

Weak to distinct brownish red-green-yellow

Distinctly trichroic

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent

1.5 Refractive Index

2.609-2.9032.31-2.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

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

1.8 Birefringence

0.296Not Available

0 0.296

1.9 Clarity

Transparent

Rutile and Crocoite Optic Character

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

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