Brucite and Jeremejevite Optical Properties

Brucite

Jeremejevite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Vitreous

1.2 Pleochroism

Not Available

Colorless

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.56-1.601.638-1.650

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Hexagonal

1.8 Birefringence

0.010-0.0200.0130

0 0.296

1.9 Clarity

TransparentMichael OâDonoghue

TransparentUlrich Henn and Claudio C. Milisenda

Brucite and Jeremejevite Optic Character

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

Similar to their colors, Brucite and Jeremejevite 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.