Not all diamonds are created equal. Luster means “light,” and is derived from the Latin word lux.

It is usually characterized as metallic, glassy, pearly, or dull.

Flawless diamonds are extremely rare and can be prohibitively expensive for most of us. Which is the luster classification that covers minerals with a high RI (refractive index of 1.9 or more), meaning they display extraordinary brilliance and shine. What is diamonds luster? The luster of a diamond is excellent as it has great brilliance, which gives it a shiny look. We need you to answer this question! The luster of a diamond is adamantine to waxy and is considered to have a metallic luster. A diamond is transparent and conducts heats five times more efficiently than silver, which is the second best element.

Luster is important in describing different kinds of minerals.

Luster is the clarity and refractivity of an individual stone. Luster suggests brilliance, gloss or radiance. However, rough diamonds look greasy but after they have been cut they have an adamantine luster.

If you know the answer to this question, please register to join our limited beta program and start the conversation right now! luster. Diamonds Lustre (mineralogy) is Adamantine. [lŭs′t?r] The shine from the surface of a mineral.