Clinochlore and Augite Optical Properties

Clinochlore

Augite

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1 Optical Properties

1.1 Luster

Pearly, Greasy

Vitreous, Resinous

1.2 Pleochroism

Distinct: light yellow-green to light bluE

Pale green

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

1.571-1.5971.671-1.774

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

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Clinochlore and Augite Optic Character

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

Clinochlore Vs Dravite

Clinochlore Vs Demantoid

Clinochlore and Augite Transparency

Similar to their colors, Clinochlore and Augite 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.