Clinochlore and Hureaulite Optical Properties

Clinochlore

Hureaulite

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1 Optical Properties

1.1 Luster

Pearly, Greasy

Vitreous, Greasy

1.2 Pleochroism

Distinct: light yellow-green to light bluE

Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.571-1.5971.647-1.667

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 Available0.012

0 0.296

1.9 Clarity

Transparent

Clinochlore and Hureaulite Optic Character

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

Clinochlore Vs Dioptase

Clinochlore Vs Dravite

Clinochlore and Hureaulite Transparency

Similar to their colors, Clinochlore and Hureaulite 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.