The snow-capped Etna spews hot lava, near Catania, Sicily island, Italy, 26 November 2023. One of Europe's most active and tallest volcano has erupted again on 25 November 2023. (Photo by Dario Lo Scavo/EPA/EFE)

A woman inspects artwork by Iranian artist Farrokh Mahdavi during a preview of the National Gallery of Victoria's (NGV) Triennial 2023, an exhibition featuring work by over 120 contemporary artists, designers and collectives, in Melbourne on December 1, 2023. (Photo by William West/AFP Photo)

The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the formula FeS2. This mineral's metallic luster and pale brass-yellow hue give it a superficial resemblance to gold, hence the well-known nickname of fool's gold. The color has also led to the nicknames brass, brazzle, and Brazil, primarily used to refer to pyrite found in coal.
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.

Lebanese actress Rita Hayek shows her 10km medal after participating in the 9th edition of the Women's Race in Beirut on March 19, 2023, under the slogan “Draw Your Path”. (Photo by Anwar Amro/AFP Photo)

A devotee participates in Bonalu festival in Hyderabad, India, Thursday, June 22, 2023. Bonalu is a month-long Hindu folk festival of the Telangana region dedicated to Kali, the Hindu goddess of destruction. (Photo by Mahesh Kumar A./AP Photo)

An Afghan woman carries bread on a tray, along a street in Kabul on January 3, 2023. (Photo by Wakil Kohsar/AFP Photo)

“Wednesday” star, American actress Jenna Ortega in the last decade of January 2023 poses in white lingerie. (Photo by jennaortega/Instagram)

A woman holds a child as she stands near rubble and damages following an earthquake in Gaziantep, Turkey on February 7, 2023. (Photo by Suhaib Salem/Reuters)