All are monoclinic which means their crystals are shaped like one kind of prism. They tend towards pseudo-hexagonal crystals and are similar in chemical composition. The highly perfect cleavage, which is the most prominent characteristic of mica, is explained by the hexagonal sheet-like arrangement of its atoms.
Being excellent electrical insulators, they are used in electronic equipment including capacitors.
Talc
Talc (from the Arabic "talk") is a silicate mineral, a type of clay. It is the standard for grade 1 in the Mohs scale of mineral hardness. A fingernail can easily scratch it. Talc is composed of hydrated magnesium silicate with the chemical formula MgSiO(OH). Talc and pyrophyllite are very similar, but pyrophyllite may be slightly harder.
Talc has a greasy feel and a translucent, soapy look. In loose form, it is the widely-used substance known as talcum powder. Steatite, also called soapstone, is a rock with a lot of talc.
Vugar Gashimov
Vugar Gashimov (24 July 1986 – 11 January 2014) was a leading chess grandmaster from Azerbaijan who died recently from a brain tumour.
Gashimov was a noted player of bullet chess (2/3 minutes a side), and three times Azerbaijani national chess champion (1995, 1996 and 1998).
He won at Athens 2005 (Acropolis International). He was a two-times winner of the huge Cappelle-la-Grande Open: in 2007 and 2008 (with other players).
Gashimov played for Azerbaijan in the Chess Olympiads of 2002, 2004, 2006 and 2008. He played in the gold medal-winning Azerbaijani team at the European Team Chess Championship in Novi Sad in 2009, alongside Shakhriyar Mamedyarov, Teimour Radjabov, Rauf Mammadov and Gadir Guseinov. He won the bronze medal in 2007.
Gashimov was treated for a brain tumor in a hospital in Heidelberg, Germany, and died on the night of 11 January 2014.
Ian Nepomniachtchi
Ian Nepomniachtchi (born 14 July 1990) is a Russian chess grandmaster and former Russian chess champion.
He won the European Youth Chess Championship three times, in 2000 in the U10 class and in 2001 and 2002 in the U12 class. In 2002 he also won the World Youth Chess Championship in the U12 class. By winning the Aeroflot Open in Moscow in February 2008, he qualified for the 2008 Dortmund Sparkassen Chess Meeting. In 2010, in Rijeka, he won the European Individual Chess Championship with 9/11. In the same year, in Moscow, he won the Russian Chess Championship; he defeated Sergey Karjakin in a playoff. In 2019, Nepomniachtchi played in the FIDE Grand Prix. He finished second in this tournament. Nepomniachtchi's second place finish qualified him to play in the Candidates Tournament 2020–21. On 26 April 2021 Nepomniachtchi won the Candidates tournament. Winning the Candidates tournamet qualifies Neopmniachtchi to play in the World Chess Championship 2021 match against the current World Chess Champion, Magnus Carlsen. The World Chess Championship match will be played in Dubai, beginning on 24 November 2021.
Hao Wang
Hao Wang (), born 4 August 1989 in Harbin, Heilongjiang, is a Chinese chess grandmaster.
In November 2009, Wang became the fourth ever Chinese player to cross the 2700 rating mark.
He was the 2010 Chinese chess champion, and was ranked #1 in China and #15 in the world in July 2012.
Lee Hae-Chan
Lee Hae-chan (, born July 10 1957) is a Korean politician, journalist and writer. In 2004, he became the 36th Prime minister of South Korea. He was the 38th education minister from March 3, 1998, to May 24, 1999. He became deputy mayor of Seoul in 1995.
Lee started his political career as an liberal activist. In 1988, he was elected to Parliament. He has been re-elected seven times since then; in 1988, 1992, 1996, 2000, 2004, and 2012.
In 1995, Lee was appointed to deputy mayor of Seoul. He only had the job briefly, however, because he resigned. From 1998 to 1999 he was Education Minister. During that time, he made reforms to education in the country, fought corruption, bribery and incompetency in schools, and reduced the age of retirement.
Gata Kamsky
Gata Kamsky (born June 2, 1974) is a Soviet-born American chess grandmaster. Kamsky won the 2010 Grenke Open World Rapid Chess Championship. He is rated #2 in the United States.
Kamsky was a prodigy who reached the final of the FIDE World Chess Championship 1996 at the age of 22, and reached a ranking of fourth in the world in 1996. He played almost no FIDE-rated games between 1997 and late 2004. He was studying medicine at the time.
Kamsky won the Chess World Cup 2007. This earned him a match against Veselin Topalov for the right to challenge for the World Chess Championship 2010, which he lost. Kamsky also played in the Candidates Tournament to determine the challenger for the World Chess Championship 2012. He advanced to the semifinals before losing to Boris Gelfand.
Radosław Wojtaszek
Radosław Wojtaszek (born 13 January 1987 in Elbląg, Poland) is a Polish chess Grandmaster. In 2004 he won the European Youth Chess Championship (U-18), the World Youth Chess Championships (U-18) and the Cracovia Open with 7.5/9.
Wojtaszek won the Polish Chess Championship in 2005.
In 2006 he played for the Polish team at the Chess Olympiad played in Turin scoring 9 points out of 11 games.
In 2008 Wojtaszek was one of world champion Anand's official seconds for the match with Kramnik.
In December 2008 Wojtaszek became the European rapid chess champion.
In 2009 Wojtaszek finished second in the Polish championship, shared second at the international tournament in Lublin and won the Najdorf memorial played in Warsaw. In 2009/10 he tied for 1st5th at the 39th Rilton Cup in Stockholm.
In January 2010 Wojtaszek finished again second in Polish championship.
In 2010 Wojtaszek was again one of world champion Anand official seconds for the match with Topalov.
Wojtaszek won the 5th International Tournament of Polonia Wrocław played between the end of June and beginning of July 2010. At the San Juan International tournament in Pamplona he scored 6.5 points out of 9 games winning the tournament.
At the Chess Olympiad in Khanty Mansiysk, Wojtaszek played on the first board for Poland scoring 6 points in 9 games.
Nissan Maxima
The Nissan Maxima is an automobile produced by Nissan Motor Company in eight generations since 1981. It is a 4-door sedan with a 6-cylinder petrol engine.
Violeta Chamorro
Violeta Barrios Torres de Chamorro (Born October 18, 1929 in Rivas, Nicaragua) is a Nicaraguan political leader and was President of Nicaragua from 1990 to 1996. Her husband Pedro Chamorro, a newspaper editor, was assassinated in 1978. She took over as editor of the paper, La Prensa.
François Duvalier
François Duvalier (14 April 1907 - 21 April 1971), known as "Papa Doc" because he was once a doctor, was the President (dictator) and Head of State of Haiti from 1957 until his death. He was excommunicated from the Catholic Church for expelling foreign-born bishops.
Like many rulers of Haiti, he was called "President for Life". His widow was Simone Duvalier. When he died their son, Jean-Claude Duvalier, called "Baby Doc", became President.
He was born and died at Port-au-Prince, Haiti. He died of diabetes and heart disease.
Kratos
Kratos is a minor Ancient Greek god or demon. His name comes from the Greek word for "power" or "strength". He was a guardian of the throne of Zeus. Kratos was the second son of Zeus and also the brother of Nike, Zelus, and Bia. He was one of the few people who dragged Prometheus to the rock where he was chained. His name is used as part of other words about power, including democracy, theocracy, plutocracy, aristocracy and dictator.