Crystals of pure semiconductors ( such as silicon or germanium ) are very poor conductors at ambient temperatures because the energy that an electron must have in order to occupy a conduction energy level is considerably greater than the thermal energy available to an electron in such a crystal.

Crystals may yield good data in the x-ray beam longer because x-ray damage may be reduced during data collection and because the solvent may evaporate more slowly, which for example may be important for large biochemical molecules whose crystals often have a high percentage of water.

Crystals have long been admired for their regularity and symmetry, but they were not investigated scientifically until the 17th century.

Crystals of rutile may have grown in the crystal of apatite so when in the right light, the cut stone displays a cat's eye effect.

Crystals of suitable size and transparency have been fashioned into gemstones, usually featuring the brilliant cut to best display sphalerite's high dispersion of 0. 156 ( B-G interval )— over three times that of diamond.

Crystals are of frequent occurrence and they usually have very bright and smooth faces.

His most influential papers have been " The Contribution of Excitons to the Complex Dielectric Constant of Crystals " ( 1958 ), describing the polariton ; “ Electron transfer between biological molecules by thermally activated tunneling ” ( 1974 ), describing the quantum mechanics of long-range electron transfers ; " Kinetic Proofreading: a New Mechanism for Reducing Errors in Biosynthetic Processes Requiring High Specificity " ( 1974 ); " Neural networks and physical systems with emergent collective computational abilities " ( 1982 ) ( known as the Hopfield Network ) and, with D. W. Tank, “ Neural computation of decisions in optimization problems ” ( 1985 ).

Crystals of similar shape and dimensions have discovered in another deposit in Minas Gerais, near Mantena, but they lack the perfection of the crystal bounding.

Crystals have been found in stony and iron meteorites, including one that fell at Breitenbach in the Ore Mountains, Bohemia.

When a certain number of Trophies, Gems, and Crystals have been obtained, an Arena Boss Event is unlocked.

Mimete's Daimons have the ability to extract Pure Heart Crystals by holding their victim in close range of their face.

They have the ability to extract Pure Heart Crystals by using a black star tattoo hidden on their body.

Crystals in metals have a major effect of the physical properties of the metal including strength and ductility.

Crystals from all three groups were not, on average, considered to be particularly beautiful ( scoring 1. 7 on a scale of 0 to 6, where 6 was very beautiful ).

Crystals of Arborea was one of the first games to offer real-time 3D environment and a large world with very few limits on movement.

Crystals are usually taken as the prototypes of simple well-specified structures, because they consist of a very large number of identical molecules packed together in a uniform way.

Crystals of LaB < sub > 6 </ sub > are used in high brightness, extended life, thermionic electron emission sources for electron microscopes and Hall effect thrusters.

Access Crystals were the method of securing high level databanks, travel, power sources and other high security areas of Thel.

After raiding a Castle with Captain Ash, Cortez confronts an unknown man with a high concentration with the Time Crystals, who then escapes with his own time machine.

Crystals of amazonite can also be found in Crystal Park, El Paso County, Colorado.

Crystals can also be formed by biological processes, see above.

Crystals of BPO < sub > 4 </ sub > can also precipitate from the flowing glass on cooling ; these crystals are not readily etched in the standard reactive plasmas used to pattern oxides, and will result in circuit defects in integrated circuit manufacturing.

There was also a process that has been described as the " feminisation " of rock and roll, with the charts beginning to be dominated by love ballads, often aimed at a female audience, and the rise of girl groups like The Shirelles and The Crystals.

The Crystals were unavailable, but Love and the Blossoms were also based in L. A., so Spector recorded and released their version under The Crystals ' banner.

The next single credited to The Crystals is one of the rarest — and also possibly the strangest — in rock music history.

It is also established that Sheen, Love and Wright were the voices on The Crystals ' hit, " He's a Rebel ".

* Business report on Photonic Crystals in Metamaterials-see also Scope and Analyst

The Liquid Crystals sector also includes materials for photovoltaics and the lighting industry.

Two songs performed by jazz singer Kimiko Itoh (" Follow me ", " River of Crystals ") also featured.

: See also: Cave of the Crystals

Crystals are also often found on urinalysis, which further points to calcium phosphate, and muscle biopsies show an steady state of phosphate in the cytosol as well as a dearth of ATP and phosphocreatine.

He also began selling airtime to other advertisers ( at $ 1, 700 an hour, $ in current value ), giving rise to new hucksters shilling products such as " Crazy Water Crystals ", " genuine simulated " diamonds, life insurance, and an array of religious paraphernalia, including what was purported to be autographed pictures of Jesus Christ.

Crystals from the experimental group were also rated slightly less beautiful than a set of controls.

After leaving the Crystals, she married jazz musician Leo Morris ( also known as Idris Muhammad ) in 1966 ; the union brought two sons and two daughters.

) Crystals will form on the outside of the sticks causing them to be even more shock, friction or temperature sensitive.

Crystals used in X-ray crystallography may be smaller than a millimeter across.

Bentley published a monograph titled Snow Crystals which documented more than 2000 snowflakes and ice crystals.

Nevertheless, WMGM was overall more up-tempo than the competition, featuring artists like Elvis Presley, Fats Domino, Carl Perkins, Jerry Lee Lewis, Frankie Lymon, the Crystals, the Tokens, Ray Charles, Dinah Washington, Brook Benton, Ricky Nelson, and Bill Haley.

Crystals of phillipsite are, however, usually smaller and more transparent and glassy than those of harmotome.

Black Crystals cut from the same mineral deposit could be " tuned " to sympathetically vibrate with each other instantly, even when separated by interstellar distances, allowing instantaneous telephone-like voice and data communication.

The player search and gather resources such as Food, Carbon, Nova Crystals, and Ore and then using the resources in order to create new buildings, units, workers and so on.

Crash Bandicoot 3: Warped is a platform game in which the player controls Crash and Coco Bandicoot, who must travel back in time and gather the 25 Crystals from the previous game in their original places in time before the antagonists of the story do so.

The second type features Coco as the player character, who must ride a jetski and gather the Crystals on the surface of the water, avoiding pirates and water mines as she does so.

Crash, Coco and Aku Aku go to the Time-Twisting Machine, where Aku Aku gives Crash and Coco the task of recovering the Crystals before Uka Uka and Doctor Cortex do so.