Emerald and Ferro-axinite Axinite-Fe Optical Properties

Emerald

Ferro-axinite Axinite-Fe

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

Vitreous

Strong dichroism: yellow green Lazzarelli

0.01

Transparent, Translucent, Transparent to translucent

1.565-1.602

Hexagonal

0.0040-0.0070

Vitreous

Colorless

0.02

Transparent

1.674-1.693

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

-9999

Emerald and Ferro-axinite Axinite-Fe Optic Character

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

Emerald Vs Rhodizite

Emerald Vs Ruby

Emerald and Ferro-axinite Axinite-Fe Transparency

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