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 6 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...

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

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

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

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

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

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...

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

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...

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...

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 (Crystalia Amaquelin) is a superhero appearing in American comic books published by Marvel Comics. Crystal first appeared in Fantastic Four #45...

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

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

to crystal meth. Harness was born on April 16, 1991, in San Jose, California, to a Mexican mother and American father. At age 5, Harness's family moved...

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...

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

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 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...

A crystal detector is an obsolete electronic component used in some early 20th century radio receivers that consists of a piece of crystalline mineral...

Yan-Kay Crystal Lowe (born Yan-Kay Lo; January 20, 1981[citation needed]) is a Canadian actress. She is known for her scream queen roles in horror films...

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)....

Crystal Cruises is an American cruise line. It was founded in 1988 by Japanese shipping company Nippon Yusen Kaisha, and sold to Hong Kong-headquartered...

Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical potash glass. Lead glass contains typically...

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...

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...