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Aragonite
Aragonite

Moonstone
Moonstone



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Aragonite
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Moonstone

Aragonite and Moonstone Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Pearly

Pleochroism

StrongArthur Thomas
-

Dispersion

0.170.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Transparent to translucent

Refractive Index

1.525-1.6861.518-1.527
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.1550.006-0.007
0 0.296
👆🏻

Clarity

Transparent
Transparent

Aragonite and Moonstone Optic Character

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

Aragonite and Moonstone Transparency

Similar to their colors, Aragonite and Moonstone 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, Aragonite is Transparent and Translucent while Aragonite is Transparent and Translucent in appearance.