Crocoite and Periclase Optical Properties

Crocoite

Periclase

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

Distinctly trichroic

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

1.5 Refractive Index

2.31-2.661.735-1.738

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

Isometric

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

TransparentWalter Schumann

Crocoite and Periclase Optic Character

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

Similar to their colors, Crocoite and Periclase 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.