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Brucite
Brucite

Anorthite
Anorthite



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Brucite
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Anorthite

Brucite and Anorthite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
colorless.

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

TransparentMichael O’Donoghue
Transparent

Refractive Index

1.56-1.601.575-1.588
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Triclinic

Birefringence

0.010-0.0200.012-0.013
0 0.296
👆🏻

Clarity

TransparentMichael O’Donoghue
Transparent

Brucite and Anorthite Optic Character

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

Similar to their colors, Brucite and Anorthite 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.