Serpentine and Fayalite Optical Properties

Serpentine

Fayalite

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Silky

Vitreous, Resinous

1.2 Pleochroism

AbsentWalter Schumann

Faint

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.560-1.5711.827-1.879

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.008-0.0140.042-0.051

0 0.296

1.9 Clarity

Translucent

TransparentAnthony et al

Serpentine and Fayalite Optic Character

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

Similar to their colors, Serpentine 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, Serpentine is Translucent while Serpentine is Translucent in appearance.