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Amethyst
Amethyst

Chlorapatite
Chlorapatite



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Amethyst
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Chlorapatite

Amethyst and Chlorapatite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

None
Weak to moderate; in pale colors.

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
Transparent

Refractive Index

1.544-1.5531.665-1.667
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.009-9999
0 0.296
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Clarity

Transparent
Transparent

Amethyst and Chlorapatite Optic Character

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

Amethyst and Chlorapatite Transparency

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