Fancy Diamond and Proustite Optical Properties

Fancy Diamond

Proustite

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1 Optical Properties

1.1 Luster

Not Available

Adamantine

1.2 Pleochroism

Not Available

Moderate; cochineal-red to blood-red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references

1.5 Refractive Index

2.422.792-3.087

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Trigonal

1.8 Birefringence

Not Available0.295-0.296

0 0.296

1.9 Clarity

Color grading system

OpaqueUlrich Henn and Claudio C. Milisenda

Fancy Diamond and Proustite Optic Character

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

Compare Blue Gemstones

Fancy Diamond Vs Aqua Aura

Fancy Diamond Vs Tourmaline Bi Color

Fancy Diamond Vs Angelite

Fancy Diamond and Proustite Transparency

Similar to their colors, Fancy Diamond and Proustite 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.