lattice systems, crystal systems and crystal families. The various classifications are often confused: in particular the trigonal crystal system is often...

In crystallography, the hexagonal crystal family is one of the six crystal families, which includes two crystal systems (hexagonal and trigonal) and two...

In crystallography, crystal structure is a description of ordered arrangement of atoms, ions, or molecules in a crystalline material. Ordered structures...

William Edward Crystal (born March 14, 1948) is an American actor, comedian, and filmmaker. He is known as a standup comedian and for his film and stage...

Crystal Palace Football Club (commonly referred to as simply Palace) is a professional football club based in Selhurst in the Borough of Croydon, South...

crystallographic point group defines the (geometric) crystal class of the crystal. The point group of a crystal determines, among other things, the directional...

or Fedorov groups, and represent a description of the symmetry of the crystal. A definitive source regarding 3-dimensional space groups is the International...

letters specify the Bravais lattice. The lower-case letter specifies the crystal family, and the upper-case letter the centering type. The number at the end...

formally define a crystalline arrangement and its (finite) frontiers. A crystal is made up of one or more atoms, called the basis or motif, at each lattice...

The Crystal Palace was a cast iron and plate glass structure, originally built in Hyde Park, London, to house the Great Exhibition of 1851. The exhibition...

Crystal Marie Reed (born February 6, 1985) is an American actress. She came to prominence playing Allison Argent in the series Teen Wolf (2011–2014)....

the evil, ruling Skeksis by restoring a powerful broken Crystal. It was marketed as a family film, but was notably darker than the creators' previous...

Waterford Crystal is a manufacturer of lead glass or "crystal", especially in cut glass, named after the city of Waterford, Ireland. In January 2009,...

Pokémon Crystal Version is a role-playing video game developed by Game Freak and published by Nintendo for the Game Boy Color in Japan in 2000 and internationally...

The Crystals are an American vocal group that originated in New York City. Considered one of the defining acts of the girl group era in the first half...

Crystal Hefner (née Harris; born April 29, 1986) is an American model who was the Playboy Playmate of the Month for December 2009, and the third wife...

substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form. The geological definition...

Crystal Quade (born August 16, 1985) is an American politician who currently serves as Minority Leader in the Missouri House of Representatives, representing...

Crystal Renee Hayslett is an American actress and costume designer. She is known for her role as Fatima Wilson in the BET comedy-drama series, Sistas...

Brenda Gail Webb (born January 9, 1951), known professionally as Crystal Gayle, is an American country music singer widely known for her 1977 hit "Don't...

character Jason Voorhees, who was thought to have drowned as a boy at Camp Crystal Lake due to the negligence of the camp staff. Decades later, the lake is...

Liquid crystal (LC) is a state of matter whose properties are between those of conventional liquids and those of solid crystals. For example, a liquid...

A crystal radio receiver, also called a crystal set, is a simple radio receiver, popular in the early days of radio. It uses only the power of the received...

Crystal Waters (born November 19, 1961) is an American house and dance music singer and songwriter, best known for her 1990s dance hits "Gypsy Woman"...

Crystal Reports is a business intelligence application marketed to small- and medium-sized businesses by SAP. Terry Cunningham and the Cunningham Group...

split into three major industry areas: the Swarovski Crystal Business, which primarily produces crystal glass, jewelry, rhinestone, watches and accessories;...

T'Keyah Crystal Keymáh (born Crystal Walker; October 13, 1962) is an American actress and singer. In addition to her status as an original cast member...

The Dark Crystal: Age of Resistance is an American fantasy television series produced, made and owned by The Jim Henson Company. It is a prequel to the...

Crystal Dynamics, Inc. is an American video game developer based in San Mateo, California. The studio is best known for its games in the Tomb Raider,...

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...