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Anhydrite
Anhydrite

Clinochlore
Clinochlore



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Anhydrite
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Clinochlore

Anhydrite and Clinochlore Optical Properties

Optical Properties

Luster

Pearly, Greasy
Pearly, Greasy

Pleochroism

For violet varieties
Distinct: light yellow-green to light bluE

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.570-1.6141.571-1.597
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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

Birefringence

0.042-0.044-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Anhydrite and Clinochlore Optic Character

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

Anhydrite and Clinochlore Transparency

Similar to their colors, Anhydrite 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.