Vesuvianite and Brucite Optical Properties

Vesuvianite

Brucite

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Vitreous, Pearly

1.2 Pleochroism

slight in colored varieties

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)

1.5 Refractive Index

1.703-1.7521.56-1.60

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Trigonal

1.8 Birefringence

0.004-0.0060.010-0.020

0 0.296

1.9 Clarity

Not Available

TransparentMichael OâDonoghue

Vesuvianite and Brucite Optic Character

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

Similar to their colors, Vesuvianite 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, Vesuvianite is Not Available while Vesuvianite is Not Available in appearance.