Diamond and Bustamite Optical Properties

Diamond

Bustamite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

None

Weak

1.3 Dispersion

0.04NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to opaque

Transparent, Translucent

1.5 Refractive Index

2.417-2.4191.662-1.707

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Triclinic

1.8 Birefringence

Not Available0.013-0.015

0 0.296

1.9 Clarity

Transparent

Diamond and Bustamite Optic Character

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

Similar to their colors, Diamond and Bustamite 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.