Diamond and Zincite Optical Properties

Diamond

Zincite

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1 Optical Properties

1.1 Luster

Adamantine

Subadamantine, Resinous

1.2 Pleochroism

None

Very weak

1.3 Dispersion

0.04NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to opaque

TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references

1.5 Refractive Index

2.417-2.4192.013-2.029

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Hexagonal

1.8 Birefringence

Not Available0.016

0 0.296

1.9 Clarity

Transparent

TransparentRobert C. Kammerling

Diamond and Zincite Optic Character

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

Similar to their colors, Diamond and Zincite 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.