Relatives of the Afghan Army soldiers, who are trapped in Obde district of Herat while fighting against Taliban militants, protest to demand the government evacuate the injured soldiers, in Herat, Afghanistan, 17 June 2021. Afghan authorities said they are in the process to arrange the evacuation of Army soldiers from the restive district soon. There has been a particularly bloody spike in violence in the country in recent weeks, following the start of the withdrawal of US troops from the country, a process due to be complete by September 11. (Photo by Jalil Rezayee/EPA/EFE)

Demonstrators made barricades during clashes with police following a protest condemning the arrest of rap artist Pablo Hasél in Barcelona, Spain, Thursday, February 18, 2021. The imprisonment of a rap artist for his music praising terrorist violence and insulting the Spanish monarchy has set off a powder keg of pent-up rage this week in Spain. (Photo by Emilio Morenatti/AP Photo)

Afghans hold placards shouting anti-Pakistan slogans during a protest in Kabul, Afghanistan, 07 September 2021.The demonstrations began after Ahmad Massoud, leading the National Resistance Front of Afghanistan (NRFA), 07 September, called for a national uprising against the Taliban and the alleged Pakistani interference. Panjshir was also the center of resistance against the Islamist group during the previous Taliban regime from 1996 to 2001. (Photo by EPA/EFE/Stringer)

Thai office workers walk past armed soldiers standing guard outside the Shinawatra Tower Two in Bangkok, Thailand, 20 May 2014. Thai army Chief Prayuth Chan-ocha early on 20 May 2014, declared martial law giving the military full control to prevent further protest-related violence in the country. The statement was issued about 3 am on 20 May (2000 GMT), according to local media reports. Prayuth has the authority to declare martial law without the consent of the government, which has had caretaker status since 09 December 2013. Thailand has been wracked by six months of non-stop protests seeking to topple the government. At least 25 people have died in political-related violence and more than 700 injured. (Photo by Narong Sangnak/EPA)

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.

A drag queen waves a rainbow flag during an LGBT rights demonstration in front of the Hungarian Parliament building in Budapest, Hungary on June 14, 2021. During the protest human rights activists called on lawmakers in Hungary to reject legislation banning any content portraying or promoting homosexuality or sеx reassignment to anyone under 18. The bills, aiming at fighting pedophilia, have various amendments which would outlaw any depiction or discussion of different gender identities to youth in the public sphere. (Photo by Bela Szandelszky/AP Photo)

Protesters wearing inflatable breasts stand outside Facebook's headquarters in central London on Wednesday September 1, 2021, to complain about the social media giant's images algorithm. The aim of the event is for all medical tattoo artists and breast cancer survivors to be able to freely post images without the pictures being removed and the accounts blocked. (Photo by Ian West/PA Images via Getty Images)

A Taliban fighter stands guard as a woman walks past in Kabul, Afghanistan, Monday, December 26, 2022. Recent Taliban rulings on Afghan women include bans on university education and working for NGOs, sparking protests in major cities. Security in the capital Kabul has intensified in recent days, with more checkpoints, armed vehicles, and Taliban special forces on the streets. Authorities have not given a reason for the tougher security. (Photo by Ebrahim Noroozi/AP Photo)