antimony mine
61Tin — is a chemical element with the symbol Sn ( la. stannum) and atomic number 50. This silvery, malleable poor metal that is not easily oxidized in air and resists corrosion, is found in many alloys and is used to coat other metals to prevent… …
62Natural History (Pliny) — Naturalis Historia, 1669 edition, title page. The title at the top reads: Volume I of the Natural History of Gaius Plinius Secundus. The Natural History (Latin: Naturalis Historia) is an encyclopedia published circa AD 77–79 by Pliny the… …
63Ullmannite — is a nickel antimony sulfide mineral with formula: NiSbS. Considerable substitution occurs with cobalt and iron in the nickel site along with bismuth and arsenic in the antimony site. A solid solution series exists with the high cobalt willyamite …
64Asteroid mining — 433 Eros is a stony asteroid in a near Earth orbit Asteroid mining refers to the possibility of exploiting raw materials from asteroids and planetoids in space, including near Earth objects. Minerals and volatiles could be mined from an asteroid… …
65Miargyrite — Miargyrite, Flint district, Idaho General Category …
66Sainte-Marie-aux-Mines — Saint Louis church …
67Ore genesis — The various theories of ore genesis explain how the various types of mineral deposits form within the Earth s crust. Ore genesis theories are very dependent on the mineral or commodity. Ore genesis theories generally involve three components:… …
68Industrial history of the People's Republic of China — Main articles: Economy and economic history of the People s Republic of China. China s industrial sector has shown great progress since 1949, but in the late 1980s it remained undeveloped in many respects. Although the country manufactured… …
69Krutovite — Infobox mineral name = Krutovite category = Mineral boxwidth = boxbgcolor = imagesize = caption = formula = nickel (nickel diarsenide , NiAs22) molweight = color = grayish white habit = system = Isometric Diploidal (2/m 3) twinning = cleavage =… …
70Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …
