Nano Polycrystalline Diamond and Sillimanite Optical Properties

Nano Polycrystalline Diamond

Sillimanite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

Vitreous, Subadamantine, Silky

1.2 Pleochroism

Not Available

Colourless to pale brown to yellow

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

Not Available1.653-1.685

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

Not Available0.020-0.022

0 0.296

1.9 Clarity

Not Available

Transparent

Nano Polycrystalline Diamond and Sillimanite Optic Character

Nano Polycrystalline Diamond and Sillimanite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Nano Polycrystalline Diamond and Sillimanite 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 Nano Polycrystalline Diamond and Sillimanite 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 Gems Found in America

Nano Polycrystalline Diamond Vs Obsidian

Nano Polycrystalline Diamond Vs Norbergite

Nano Polycrystalline Diamond Vs Nifontovite

Nano Polycrystalline Diamond and Sillimanite Transparency

Similar to their colors, Nano Polycrystalline Diamond and Sillimanite 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, Nano Polycrystalline Diamond is Not Available while Nano Polycrystalline Diamond is Not Available in appearance.