Baryte Barite and Foitite Optical Properties

Baryte Barite

Foitite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

NilArthur Thomas

Strong: pale lavender dark blueAnthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

TranslucentAnthony et al, Translucent

1.5 Refractive Index

1.634-1.648Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

1.8 Birefringence

0.010-0.018Not Available

0 0.296

1.9 Clarity

Transparent

TranslucentAnthony et al

Baryte Barite and Foitite Optic Character

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

Similar to their colors, Baryte Barite and Foitite 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, Baryte Barite is Translucent and Transparent while Baryte Barite is Translucent and Transparent in appearance.