Trivia For March 31, 2026

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It's themed Tuesday! Today's questions will all be about...

Diamonds

Question 1:

Diamonds are a solid form of what element?

Carbon

  • The atoms are arranged in a crystal structure called diamond cubic. Each carbon atom in the structure is covalently bonded to four other carbon atoms, forming a tetrahedral structure.

Question 2:

Louis XIV once possessed this blue diamond. Today, it's owned by the Smithsonian Institution and on display at the National Museum of Natural History in Washington, D.C.

Hope Diamond

  • Originally mined in India in the 17th century, the diamond was stolen during the French Revolution. Twenty years later it would be re-discovered in the UK. There are legends that the diamond is cursed, but little in the way of hard evidence.

Question 3:

Founded in 1888 by Cecil Rhodes, this company controlled 80% or more of the worldwide trade in diamonds for much of the 20th century.

De Beers

  • De Beers share has fallen to roughly 30% of the market. It currently has a duopoly along with Alrosa, which is a Russian state-owned diamond mining company.

Question 4:

The fifth track on Paul Simon's award-winning album Graceland (1986) is what song that mentions diamonds in its title?

"Diamonds on the Soles of Her Shoes"

  • The song was the fourth single off the album. It featured guest vocals from the South African choral group Ladysmith Black Mambazo. The group subsequently became internationlly famous following the exposure they received.

Question 5:

A diamond is graded as a ten on this scale of a mineral's scratch resistance.

Mohs

  • The scale was introduced in 1812 by the German geologist and mineralogist Friedrich Mohs, in his book Versuch einer Elementar-Methode zur naturhistorischen Bestimmung und Erkennung der Fossilien.

#701

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