Andesine and Brucite Optical Properties

Andesine

Brucite

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Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

colorless.

Dispersion

0.700.03

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

TransparentMichael OâDonoghue

Refractive Index

1.543-1.5641.56-1.60

1 3.25

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Optic Character

Biaxial/+

Crystal System

Triclinic

Trigonal

Birefringence

0.007-0.0110.010-0.020

0 0.296

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Clarity

Transparent

TransparentMichael OâDonoghue

Andesine and Brucite Optic Character

Andesine and Brucite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andesine 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 Andesine 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. Andesine has Biaxial/+ character.

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Andesine and Brucite Transparency

Similar to their colors, Andesine 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, Andesine is Transparent, Translucent and Transparent to translucent while Andesine is Transparent, Translucent and Transparent to translucent in appearance.