cliftonite

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Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

San Francisco, California/USA-1/18/20: Womens March at Civic Center marching with signs of political protest regarding equality also embracing 2020 presidential candidates and celebrating equality

How Does the U.S. Government Define the Difference Between a Protest and a Riot?

Wasp spider. Argiope bruennichi. Orb-weaver spider. Spiders. Arachnid. Cobweb. Spider web. Spider's web. Spider silk. Black and yellow striped wasp spider spinning a web.

Do We Really Swallow Spiders in Our Sleep?

Salem Witch Trials. Photogravure after the painting by Walter McEwen titled - The Witches - circa 1890s.

How Rye Bread May Have Caused the Salem Witch Trials

Statue of Nostradamus

Nostradamus and His Prophecies

Car with a pickle design in the Zagreb Red Bull Soapbox Race, Zagreb, Croatia, September 14, 2019. (games, races, sports)

10 Unusual Sports

Time zone map with standard time zones and International Date Line

Why Are Some Time Zones 30 Minutes Off Instead of an Hour?

cliftonite

mineral

Learn about this topic in these articles:

type of graphite

In graphite
…in meteoritic iron are called cliftonite.
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