(Encyclopedia) JáchymovJáchymovyäˈkhĭmôf [key], Ger. Joachimsthal, town, NW Czech Republic, in Bohemia, in the Erzgebirge [ore mountains]. The productivity of its uranium mines, once extensive, has…
(Encyclopedia) Scranton, George Whitefield, 1811–61, American manufacturer, b. Madison, Conn. With his brother Selden he bought (1839) the lease and stock of the ironworks of Oxford Furnace, near…
(Encyclopedia) cassiteritecassiteritekəsĭtˈərīt [key], heavy, brown-to-black mineral, tin oxide, SnO2, crystallizing in the tetragonal system. It is found as short prismatic crystals and as irregular…
(Encyclopedia) SivasSivassĭväsˈ [key], city (1990 pop. 219,122), capital of Sivas prov., central Turkey, on the Kizil Irmak. An important trade and manufacturing center, it has cement, textile, and…
Source: The facilities listed are members of, and accredited by, the American Zoo and Aquarium Association (AZA) to ensure that they are maintaining professional standards. The AZA also accredits…
(Encyclopedia) malachitemalachitemălˈəkīt [key], a mineral, the green basic carbonate of copper occurring in crystals of the monoclinic system or (more usually) in masses. It is translucent or opaque…
(Encyclopedia) KigaliKigalikēgäˈlē [key], city (1997 pop. 330,000), central Rwanda, capital of Rwanda. It is the country's main administrative and economic center. The city has an international…
(Encyclopedia) galenagalenagəlēˈnə [key] or lead glance, lustrous, blue-gray mineral crystallizing usually in cubes, sometimes in octahedrons. It is the most important ore and the principal source of…
