Diamond and Piemontite Optical Properties

Diamond

Piemontite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

None

visible

1.3 Dispersion

0.04NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to opaque

Not Available

1.5 Refractive Index

2.417-2.4191.725-1.756

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

monoclinic

1.8 Birefringence

Not Available0.025-0.076

0 0.296

1.9 Clarity

Transparent

Not Available

Diamond and Piemontite Optic Character

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

Similar to their colors, Diamond and Piemontite 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.