Clinochlore and Erythrite Optical Properties

Clinochlore

Erythrite

Add ⊕

1 Optical Properties

1.1 Luster

Pearly, Greasy

Subadamantine, Pearly

1.2 Pleochroism

Distinct: light yellow-green to light bluE

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.571-1.5971.626-1.629

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

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

monoclinic

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Not Available

Clinochlore and Erythrite Optic Character

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

Compare Green Gemstones

Clinochlore Vs Dravite

Clinochlore Vs Demantoid

Clinochlore Vs Dioptase

Clinochlore and Erythrite Transparency

Similar to their colors, Clinochlore and Erythrite 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, Clinochlore is Transparent while Clinochlore is Transparent in appearance.