Crocoite and Brucite Optical Properties

Crocoite

Brucite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous, Pearly

1.2 Pleochroism

Distinctly trichroic

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)

1.5 Refractive Index

2.31-2.661.56-1.60

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n

Trigonal

1.8 Birefringence

Not Available0.010-0.020

0 0.296

1.9 Clarity

Transparent

TransparentMichael OâDonoghue

Crocoite and Brucite Optic Character

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

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Crocoite and Brucite Transparency

Similar to their colors, Crocoite 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, Crocoite is Transparent while Crocoite is Transparent in appearance.