copper sand
51St Helens, Merseyside — For the larger local government district, see Metropolitan Borough of St Helens. Coordinates: 53°27′15″N 2°44′46″W / 53.4541°N 2.7461°W …
52china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …
53China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …
54Michigan — /mish i geuhn/, n. 1. a state in the N central United States. 9,258,344; 58,216 sq. mi. (150,780 sq. km). Cap.: Lansing. Abbr.: MI (for use with zip code), Mich. 2. Lake, a lake in the N central U.S., between Wisconsin and Michigan: one of the… …
55geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …
56Namibia — Namibian, adj., n. /neuh mib ee euh/, n. a republic in SW Africa: a former German protectorate; a mandate of South Africa 1920 66; gained independence 1990. 1,727,183; 318,261 sq. mi. (824,296 sq. km). Cap.: Windhoek. Formerly, German Southwest… …
57Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… …
58United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
59industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
60Selenite — This article is about the mineral: for other meanings, see Selenite (disambiguation). Selenite, satin spar, desert rose, and gypsum flower are four varieties of gypsum; all four varieties show obvious crystalline structure. The four crystalline… …
