Shattuckite and Fayalite Optical Properties

Shattuckite

Fayalite

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1 Optical Properties

1.1 Luster

Silky

Vitreous, Resinous

1.2 Pleochroism

X = very pale blue; Y = pale blue; Z = deep blue

Faint

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.752-1.8151.827-1.879

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

1.8 Birefringence

0.0630.042-0.051

0 0.296

1.9 Clarity

Translucent

TransparentAnthony et al

Shattuckite and Fayalite Optic Character

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

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