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Arfvedsonite
Arfvedsonite

Brucite
Brucite



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Arfvedsonite
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Brucite

Arfvedsonite and Brucite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Strong: Blue-greens
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
TransparentMichael O’Donoghue

Refractive Index

1.652-1.6991.56-1.60
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

-99990.010-0.020
0 0.296
👆🏻

Clarity

-
TransparentMichael O’Donoghue

Arfvedsonite and Brucite Optic Character

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

Arfvedsonite and Brucite Transparency

Similar to their colors, Arfvedsonite 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, Arfvedsonite is while Arfvedsonite is in appearance.