earthy red iron ore

См. также в других словарях:

• rhombohedral iron ore — Hematite Hem a*tite, n. [L. haematites, Gr. ? bloodlike, fr. a i^ma, a i matos, blood.] (Min.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in… …   The Collaborative International Dictionary of English

• oligist iron — Hematite Hem a*tite, n. [L. haematites, Gr. ? bloodlike, fr. a i^ma, a i matos, blood.] (Min.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in… …   The Collaborative International Dictionary of English

• specular iron — Hematite Hem a*tite, n. [L. haematites, Gr. ? bloodlike, fr. a i^ma, a i matos, blood.] (Min.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in… …   The Collaborative International Dictionary of English

• hematite — hematitic /hee meuh tit ik, hem euh /, adj. /hee meuh tuyt , hem euh /, n. a very common mineral, iron oxide, Fe2O3, occurring in steel gray to black crystals and in red earthy masses: the principal ore of iron. [1535 45; < L haematites… …   Universalium

• hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …   Universalium

• Limonite — is an ore consisting in a mixture of hydrated iron(III) oxide hydroxide of varying composition. The generic formula is frequently written as FeO(OH)·nH2O, although this is not entirely accurate as limonite often contains a varying amount of oxide …   Wikipedia

• England — /ing gleuhnd/ or, often, / leuhnd/, n. the largest division of the United Kingdom, constituting, with Scotland and Wales, the island of Great Britain. 45,870,062; 50,327 sq. mi. (130,347 sq. km) Cap.: London. * * * I Southern part of the island… …   Universalium

• bloodstone — Hematite Hem a*tite, n. [L. haematites, Gr. ? bloodlike, fr. a i^ma, a i matos, blood.] (Min.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in… …   The Collaborative International Dictionary of English

• Hematite — Hem a*tite, n. [L. haematites, Gr. ? bloodlike, fr. a i^ma, a i matos, blood.] (Min.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and… …   The Collaborative International Dictionary of English

• goethite — /goh thuyt, gue tuyt/, n. a very common mineral, iron hydroxide, HFeO2, occurring in crystals, but more commonly in yellow or brown earthy masses: an ore of iron. [1815 25; named after GOETHE; see ITE1] * * * Widespread iron hydroxide mineral, α… …   Universalium

• Melaconite — is a mineral consisting of cupric oxide, CuO. It is known also as black copper ore. In appearance it is strikingly different from cuprite or red copper ore, which is cuprous oxide. Crystals are rare; they belong to the monoclinic, or possibly to… …   Wikipedia