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Brucite
Brucite

Augelite
Augelite



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Brucite
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Augelite

Brucite and Augelite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Pearly

Pleochroism

-
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

TransparentMichael O’Donoghue
-

Refractive Index

1.56-1.601.570-1.591
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.010-0.0200.020-0.021
0 0.296
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Clarity

TransparentMichael O’Donoghue
TransparentUlrich Henn and Claudio C. Milisenda

Brucite and Augelite Optic Character

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

Brucite and Augelite Transparency

Similar to their colors, Brucite and Augelite 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, Brucite is TransparentMichael O’Donoghue while Brucite is TransparentMichael O’Donoghue in appearance.