| Discovery of silver | | | | jewelry, medicine, chemistry, and photography. |
| The discovery of metals to leave the great leap | | | | Because of its electrical and thermal conductivity, |
| forward for human civilization. The first to be | | | | it is also important in electro-technology. |
| discovered were the native metals such as gold, | | | | Nature Silver metallic Silver (Ag) has a hardness |
| silver and copper that occurs naturally in a pure | | | | of 2.5 to 3 and a density of 9.6 to 12 (when |
| form. "As each metal was discovered, the | | | | pure). This is opaque, has a metallic sheen, and |
| companies were transformed." | | | | leaves a bright white striations. It has no cleavage |
| Silver occurs as ductile, twisted, branching masses | | | | and breaks with hackly fracture. Silver belongs to |
| of metal that native silver tarnish the gray and | | | | the system cubic crystal, but crystals are rare, |
| black, or silver sulfide as argentite. It is found | | | | forming as octahedrons or hexahedrons. Silver |
| most often combined with the sulfides of lead, | | | | occurs most often as yarn, dendrites, or plates. |
| copper and zinc (galena, sphalerite, and Calcopirita). | | | | The different patterns Silver |
| In its native form, as usually occurs silver | | | | Silver is the different standards. Fine Silver, |
| star-shaped or tree-like clusters, the dendrites and | | | | Sterling Silver, Silver Britannia, Mexican Silver, Coin |
| wire-like forms, or as compact masses. It is | | | | Silver, Silvers and German (not to be confused |
| occasionally crystallizes as cubes or octahedra. | | | | with nickel silver, which is also referred to by this |
| About Sterling Silver | | | | term) are different patterns of silver used in |
| Silver is very soft and is usually connected to | | | | Germany. |
| make it stronger. The league best known is | | | | The largest producer of silver is the Mine |
| "Sterling Silver", which is 92.5 percent and 7.5 | | | | Guanajuato, in Mexico, where he was extracted |
| percent Silver Copper, and has long been valued | | | | silver from 1500 AD. More than half of world |
| for their ability to work and resistance to | | | | reserves of silver are held in Mexico, U.S., Canada, |
| corrosion. It is also called "925 Sterling Silver." The | | | | Peru, Kazakhstan, and Russia. |
| main applications are for the coinage of silver, | | | | |