Fancy Diamond and Fayalite Optical Properties

Fancy Diamond

Fayalite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Resinous

1.2 Pleochroism

Not Available

Faint

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

2.421.827-1.879

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Orthorhombic

1.8 Birefringence

Not Available0.042-0.051

0 0.296

1.9 Clarity

Color grading system

TransparentAnthony et al

Fancy Diamond and Fayalite Optic Character

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

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