Liddicoatite and Clinochlore Optical Properties

Liddicoatite

Clinochlore

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1 Optical Properties

1.1 Luster

Vitreous

Pearly, Greasy

1.2 Pleochroism

Strong: dark brown light brownAnthony et al

Distinct: light yellow-green to light bluE

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

Not Available1.571-1.597

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Not Available

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

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Liddicoatite and Clinochlore Optic Character

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

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