Diamond and Villiaumite Optical Properties

Diamond

Villiaumite

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

None

Yellow to pink/deep carmineMichael OâDonoghue

1.3 Dispersion

0.04NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to opaque

Gemmological Tables (2004) More from other references

1.5 Refractive Index

2.417-2.4191.328-1.332

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Diamond and Villiaumite Optic Character

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

Similar to their colors, Diamond and Villiaumite 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, Diamond is Translucent, Transparent and Transparent to opaque while Diamond is Translucent, Transparent and Transparent to opaque in appearance.