Fayalite and Morion Optical Properties

Fayalite

Morion

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Not Available

1.2 Pleochroism

Faint

Definite: brown reddish-brownWalter Schumann

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Transparent, Translucent

1.5 Refractive Index

1.827-1.8791.544-1.553

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.042-0.0510.009

0 0.296

1.9 Clarity

TransparentAnthony et al

Transparent

Fayalite and Morion Optic Character

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

Similar to their colors, Fayalite and Morion 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, Fayalite is Handbook of mineralogy (2001) and TransparentAnthony et al while Fayalite is Handbook of mineralogy (2001) and TransparentAnthony et al in appearance.