Ajantha College and School Students Science Projects materials The Great in project

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Crystals

A crystal or crystalline solid is a solid material whose constituent atoms, molecules, or ions are arranged in an ordered pattern extending in all three spatial dimensions. In addition to their microscopic structure, large crystals are usually identifiable by their macroscopic geometrical shape, consisting of flat faces with specific, characteristic orientations.[citation needed] The scientific study of crystals and crystal formation is known as crystallography. The process of crystal formation via mechanisms of crystal growth is called crystallization or solidification. The word crystal is derived from the Ancient Greek word κρύσταλλος (krustallos), meaning both “ice” and “rock crystal”,[1] from κρύος (kruos), "icy cold, frost".[2][3] Examples of large crystals include snowflakes, diamonds, and table salt. Most inorganic solids are not crystals but polycrystals, i.e. many microscopic crystals fused together into a single solid. Examples of polycrystals include most metals, rocks, ceramics, and ice. A third category of solids is amorphous solids, where the atoms have no periodic structure whatsoever. Examples of amorphous solids include glass, wax, and many plastics.

HC49 - Crystal - 1.8432MHz

HC49 - Crystal - 1.8432MHz

HC49 - Crystal - 2MHz

HC49 - Crystal - 2MHz

HC49 - Crystal - 2.4576MHz

HC49 - Crystal - 2.4576MHz

HC49 - Crystal - 3.2768MHz

HC49 - Crystal - 3.2768MHz

HC49 - Crystal - 3.579MHz

HC49 - Crystal - 3.579MHz

HC49 - Crystal - 4MHz

HC49 - Crystal - 4MHz

HC49 - Crystal - 4.192MHz

HC49 - Crystal - 4.192MHz

HC49 - Crystal - 4.43MHz

HC49 - Crystal - 4.43MHz

HC49 - Crystal - 6MHz

HC49 - Crystal - 6MHz

HC49 - Crystal - 4.1943MHz

HC49 - Crystal - 4.1943MHz

HC49 - Crystal - 6.144MHz

HC49 - Crystal - 6.144MHz

TC38 - 32.768KHZ Quartz Crystal

CRY32.768K

TC38 - 40KHZ Quartz Crystal

TC38 - 40KHZ Quartz Crystal

CRY455K

455KHZ Crystal

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