Trivia

Hard

Pearls Are Made From Layers Of A Compound Known As?

Opaline
Mollusca
Carbonite
Nacre

Answer: Nacre

Nacre, commonly known as “mother of pearl” is the iridescent layer found on the inner surface of some mollusc species. The composite compound is made from a combination of organic and inorganic material and, on a microscopic level, is composed of tiny little hexagonal platelets of aragonite (a form of calcium carbonate) locked in place by layers of elastic biopolymers (such as chitin, lustrin and silk-like proteins).

While the compound appears in several different mollusc groups, of most interest to us (and to the jewelry industry) are the pearl oyster and the freshwater pearl mussel; molluscs that not only produce the lining along the inside of their shell but also produce balls of the lining. Pearls are simply thousands upon thousands of layers of nacre produced and layered away from the inner surface of the shell.

Trivia

Hard

The Creator Of Which Iconic Comic Book Character Also Helped Create The Lie Detector?

Trivia

Very Hard

The Longest Tunnel In The World Is Located In?

Trivia

Hard

Torpedos, The Naval Military Munition, Derive Their Name From?

Trivia

Very Hard

Netflix Was Created In Response To Late Fees Incurred From The Rental Of Which Movie?

Trivia

Easy

Carpal Tunnel Syndrome Commonly Affects Which Of These Groups?

Trivia

Easy

Which Scientist’s Notebooks Are Still Too Radioactive To Handle?

Trivia

Easy

The Most Watched TV Series Finale In U.S. History Was For?

Trivia

Hard

On the Pacific Island of Yap Citizens Used What Unconventional Item as Currency?

Trivia

Easy

To Update Their Image, The Cracker Jack Company Replaced The Box Toy With?

Trivia

Hard

After Whom Was Princess Zelda, Of The Legend of Zelda Fame, Named?