A wounded servicemen of Ukrainian Military Forces looks on after the battle with Russian troops and Russia-backed separatists in Lugansk region on March 8, 2022. The number of refugees flooding across Ukraine's borders to escape towns devastated by shelling and air strikes passed two million, in Europe's fastest-growing refugee crisis since World War II, according to the United Nations. (Photo by Anatolii Stepanov/AFP Photo)

A young girl walks with a Ukrainian flag during an event for Ukrainian Independence Day in the historical Grand Place of Brussels, Wednesday, August 24, 2022. European leaders are pledging unwavering support for Ukraine as the war-torn country marks its Independence Day. The commemorations Wednesday coincide with the six-month milestone of Russia's invasion. (Photo by Virginia Mayo/AP Photo)

St. Mark's and Panagia Erithiani church congregations perform “Rocket War” by firing thousands of home-made rockets across the sky during Greek Orthodox Easter celebrations in the town of Vrontados on the Greek island of Chios on April 19, 2014. Greek habit of throwing handmade rockets with the aim of hitting the bell tower of the church at the other side during the celebration of the service at midnight before Easter Sunday. (Photo by Cem Oksuz/Anadolu Agency/Getty Images)

Two people ride a motorcycle as a Taiwanese Air Force Mirage 2000 fighter jet approaches for landing at an air force base in Hsinchu in northern Taiwan on May 23, 2024. China on May 23 encircled Taiwan with naval vessels and military aircraft in war games aimed at punishing the self-ruled island after its new president vowed to defend democracy. (Photo by Yasuyoshi Chiba/AFP Photo)

A demonstrator uses her phone to take a “selfie” picture during the 12th annual “SlutWalk” march through central Jerusalem on June 14, 2024 to protest against rape culture, including sеxual assault and harassment directed at women, and calling for an end to the ongoing war in the Gaza Strip and action to release hostages taken captive during the October 7 attacks. (Photo by Hazem Bader/AFP Photo)

People look at a 1939 Alfa Romeo 8C 2900B Lungo Touring Spider displayed at Sotheby's in New York City, New York, U.S. July 21, 2016. The car, unveiled in a pre-publicity showing in New York on Thursday, is expected to sell for more than US$15 million – and could set a record for the most money ever paid for a pre-war auto at auction. (Photo by Brendan McDermid/Reuters)

“The Songkran festival is celebrated in Thailand as the traditional New Year's Day from 13 to 15 April. It coincides with the New Year of many calendars of South and Southeast Asia. The most obvious celebration of Songkran is the throwing of water upon others. Thais roam the streets with containers of water or water guns. In addition, many Thais will have small bowls of beige colored talc sold cheaply and mixed with water which is then smeared on the faces and bodies of random passerbys as a blessing for the new year” – Wikipedia. (Photo by Seua Yai)

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.