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Augite
Augite

Aragonite
Aragonite



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Augite
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Aragonite

Augite and Aragonite Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
Vitreous, Resinous

Pleochroism

Pale green
StrongArthur Thomas

Dispersion

0.020.17
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.671-1.7741.525-1.686
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.155
0 0.296
👆🏻

Clarity

Transparent
Transparent

Augite and Aragonite Optic Character

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

Augite and Aragonite Transparency

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