Hibschite and Fayalite Optical Properties

Hibschite

Fayalite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Resinous

1.2 Pleochroism

Not Available

Faint

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Semitransparent

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

Not Available1.827-1.879

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d

Orthorhombic

1.8 Birefringence

Not Available0.042-0.051

0 0.296

1.9 Clarity

TranslucentAnthony et al

TransparentAnthony et al

Hibschite and Fayalite Optic Character

Hibschite and Fayalite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Hibschite and Fayalite 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 Hibschite and Fayalite 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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Hibschite and Fayalite Transparency

Similar to their colors, Hibschite and Fayalite 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, Hibschite is Semitransparent while Hibschite is Semitransparent in appearance.