Crocoite and Jasper Optical Properties

Crocoite

Jasper

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

Distinctly trichroic

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Transparent

Opaque

1.5 Refractive Index

2.31-2.661.540

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

Trigonal

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

OpaqueHerve Nicolas Lazzarelli

Crocoite and Jasper Optic Character

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

Similar to their colors, Crocoite and Jasper 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.