Chlorapatite and Clinochlore Optical Properties

Chlorapatite

Clinochlore

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1 Optical Properties

1.1 Luster

Not Available

Pearly, Greasy

1.2 Pleochroism

Weak to moderate; in pale colors.Anthony et al

Distinct: light yellow-green to light bluE

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.665-1.6671.571-1.597

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

Chlorapatite and Clinochlore Optic Character

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

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