Chlorapatite and Riebeckite Optical Properties

Chlorapatite

Riebeckite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Silky

1.2 Pleochroism

Weak to moderate; in pale colors.Anthony et al

X = blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.665-1.6671.680-1.698

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

Not Available0.005-0.008

0 0.296

1.9 Clarity

Transparent

Not Available

Chlorapatite and Riebeckite Optic Character

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

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Chlorapatite and Riebeckite Transparency

Similar to their colors, Chlorapatite and Riebeckite 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.