Charoite and Ferro-axinite Axinite-Fe Optical Properties

Charoite

Ferro-axinite Axinite-Fe

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1 Optical Properties

1.1 Luster

Pearly, Fibrous, Chatoyant

Vitreous

1.2 Pleochroism

NilArthur Thomas

Colorless

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Transparent

1.5 Refractive Index

1.545-1.5601.674-1.693

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

Translucent

Not Available

Charoite and Ferro-axinite Axinite-Fe Optic Character

Charoite and Ferro-axinite Axinite-Fe optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Charoite and Ferro-axinite Axinite-Fe 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 Charoite and Ferro-axinite Axinite-Fe 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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Charoite and Ferro-axinite Axinite-Fe Transparency

Similar to their colors, Charoite and Ferro-axinite Axinite-Fe 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, Charoite is Translucent while Charoite is Translucent in appearance.