crown

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Three views of a brilliant-cut diamond

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Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

What’s the Difference Between Bison and Buffalo?

New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

The tomb of Saint Nicholas in the crypt of the Basilica di San Nicola, Bari, Apulia, Italy

Do the Relics of Saint Nicholas Really Emit a Holy Substance?

Nativity Scene, Adoration of the Magi, Church of the Birth of the Virgin Mary, Montenegro

Why Is Christmas in December?

crown

gem

Also known as: top

Learn about this topic in these articles:

faceted gems

In facet
…a plane that separates the crown, the stone’s upper portion, from the pavilion, the stone’s base. The large facet in the crown parallel to the girdle is the table; the very small one in the pavilion also parallel to the girdle is the culet. Certain stones, such as mogul cut…
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feature of brilliant cut

In brilliant cut
…that the facets of the crown (above the girdle) make an angle of 35° to the plane of the girdle and those of the pavilion (below the girdle) an angle of 41°, the maximum amount of light entering the crown will be reflected back through the crown by the pavilion,…
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