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Hiddenite
Hiddenite

Brucite
Brucite



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Hiddenite
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Brucite

Hiddenite and Brucite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
-

Dispersion

0.020.03
0.005 1
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Transparency

Transparent
TransparentMichael O’Donoghue

Refractive Index

1.657-1.6811.56-1.60
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.014-0.0160.010-0.020
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentMichael O’Donoghue

Hiddenite and Brucite Optic Character

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

Hiddenite and Brucite Transparency

Similar to their colors, Hiddenite and Brucite 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, Hiddenite is Transparent while Hiddenite is Transparent in appearance.