Brucite and Titanite Optical Properties

Brucite

Titanite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Subadamantine, Resinous

1.2 Pleochroism

Not Available

Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)

Not Available

1.5 Refractive Index

1.56-1.601.885-1.990

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

monoclinic

1.8 Birefringence

0.010-0.0200.105-0.135

0 0.296

1.9 Clarity

TransparentMichael OâDonoghue

Not Available

Brucite and Titanite Optic Character

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

Similar to their colors, Brucite and Titanite 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.