magnetite ore
1Magnetite — Mag net*ite, n. (Min.) An oxide of iron ({Fe3O4}) occurring in isometric crystals, also massive, of a black color and metallic luster. It is readily attracted by a magnet and sometimes possesses polarity, being then called {loadstone}. It is an… …
2magnetite — (n.) magnetic iron ore, 1840, from Ger. magnetit; see MAGNET (Cf. magnet) + ITE (Cf. ite) (1) …
3magnetite — [mag′nə tīt΄] n. [Ger magnetit: see MAGNET & ITE1] a black, hard, magnetic mineral, (Fe,Mg)Fe2O4, that is a major ore of iron: cf. LODESTONE (sense 1) …
4Magnetite — Not to be confused with Magnesite or Maghemite. Magnetite Magnetite and pyrite from Piedmont Italy …
5Ore — For other uses, see Ore (disambiguation). Iron ore (Banded iron formation) …
6magnetite — /mag ni tuyt /, n. a very common black iron oxide mineral, Fe3O4, that is strongly attracted by magnets: an important iron ore. [1850 55; MAGNET + ITE1; cf. G Magnetit] * * * or lodestone or magnetic iron ore Iron oxide mineral (Fe3O4), the chief …
7Ore 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:… …
8ore — /awr, ohr/, n. 1. a metal bearing mineral or rock, or a native metal, that can be mined at a profit. 2. a mineral or natural product serving as a source of some nonmetallic substance, as sulfur. [bef. 900; conflation of ME ore, OE ora ore,… …
9öre — /ue rddeuh/, n., pl. öre. 1. a bronze coin of Norway, the 100th part of a krone. 2. a zinc or bronze coin of Denmark, the 100th part of a krone. 3. a bronze coin of Sweden, the 100th part of a krona. 4. a fractional currency of the Faeroe Islands …
10Ore resources on Mars — Mars may contain valuable ores that will be very useful to future colonists.[1] The abundance of volcanic features together with widespread cratering are strong evidence for a variety of ores. [2] Contents 1 How deposits are made 2 …
