Labradorite and Clinochlore Optical Properties

Labradorite

Clinochlore

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Pearly, Greasy

1.2 Pleochroism

From the Congo

Distinct: light yellow-green to light bluE

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.554-1.5731.571-1.597

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Triclinic

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

1.8 Birefringence

0.008-0.010Not Available

0 0.296

1.9 Clarity

Transparent

Labradorite and Clinochlore Optic Character

Labradorite and Clinochlore optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Labradorite and Clinochlore 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 Labradorite and Clinochlore 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. Clinochlore has Biaxial/+ character.

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Labradorite and Clinochlore Transparency

Similar to their colors, Labradorite and Clinochlore 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, Labradorite is Translucent, Transparent and Transparent to translucent while Labradorite is Translucent, Transparent and Transparent to translucent in appearance.