Tigers Eye and Ferro-axinite Axinite-Fe Optical Properties

Tigers Eye

Ferro-axinite Axinite-Fe

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1 Optical Properties

1.1 Luster

Silky

Vitreous

1.2 Pleochroism

Not Available

Colorless

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Opaque

Transparent

1.5 Refractive Index

1.534-1.5401.674-1.693

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

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

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Gemstones of the world (2001) More from other references

Not Available

Tigers Eye and Ferro-axinite Axinite-Fe Optic Character

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

Similar to their colors, Tigers Eye 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, Tigers Eye is Opaque while Tigers Eye is Opaque in appearance.