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Augelite
Augelite

Glaucophane
Glaucophane



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Augelite
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Glaucophane

Augelite and Glaucophane Optical Properties

Optical Properties

Luster

Pearly
Vitreous, Pearly

Pleochroism

-
Strong

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.570-1.5911.606-1.637
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

0.020-0.021-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Augelite and Glaucophane Optic Character

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

Augelite and Glaucophane Transparency

Similar to their colors, Augelite and Glaucophane 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, Augelite is while Augelite is in appearance.