Ammonite and Ferro-axinite Axinite-Fe Optical Properties

Ammonite

Ferro-axinite Axinite-Fe

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

Colorless

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

Not Available1.674-1.693

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

Not Available

Ammonite and Ferro-axinite Axinite-Fe Optic Character

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

Similar to their colors, Ammonite 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, Ammonite is Not Available while Ammonite is Not Available in appearance.