Ferro-axinite Axinite-Fe and Andalusite Optical Properties

Ferro-axinite Axinite-Fe

Andalusite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Greasy

1.2 Pleochroism

Colorless

strongly trichroic

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

1.674-1.6931.627-1.650

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

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

Orthorhombic

1.8 Birefringence

Not Available0.009-0.010

0 0.296

1.9 Clarity

Not Available

Transparent

Ferro-axinite Axinite-Fe and Andalusite Optic Character

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

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