Ferro-axinite Axinite-Fe and Hibonite Optical Properties

Ferro-axinite Axinite-Fe

Hibonite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Colorless

O = brownish gray; E = gray

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Handbook of mineralogy (2001)

1.5 Refractive Index

1.674-1.6931.79-1.807

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

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

Hexagonal

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Handbook of mineralogy (2001)

Ferro-axinite Axinite-Fe and Hibonite Optic Character

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

Compare Brown Gemstones

Ferro-axinite Axinite-Fe Vs Franklinite

Ferro-axinite Axinite-Fe Vs Fluorite

Ferro-axinite Axinite-Fe Vs Friedelite

Ferro-axinite Axinite-Fe and Hibonite Transparency

Similar to their colors, Ferro-axinite Axinite-Fe and Hibonite 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.