Brucite and Labradorite Optical Properties

Brucite

Labradorite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous, Pearly

1.2 Pleochroism

Not Available

From the Congo

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.56-1.601.554-1.573

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Triclinic

1.8 Birefringence

0.010-0.0200.008-0.010

0 0.296

1.9 Clarity

TransparentMichael OâDonoghue

Transparent

Brucite and Labradorite Optic Character

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

Compare Blue Gemstones

Brucite Vs Chrysocolla

Brucite Vs Chrome Tourmaline

Brucite Vs Common Opal

Brucite and Labradorite Transparency

Similar to their colors, Brucite and Labradorite 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 Gems, Sixth Edition (2006) and TransparentMichael OâDonoghue while Brucite is Gems, Sixth Edition (2006) and TransparentMichael OâDonoghue in appearance.