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Piemontite
Piemontite

Brucite
Brucite



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Piemontite
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Brucite

Piemontite and Brucite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

visible
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
TransparentMichael O’Donoghue

Refractive Index

1.725-1.7561.56-1.60
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.025-0.0760.010-0.020
0 0.296
👆🏻

Clarity

-
TransparentMichael O’Donoghue

Piemontite and Brucite Optic Character

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

Piemontite and Brucite Transparency

Similar to their colors, Piemontite 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, Piemontite is while Piemontite is in appearance.