Definition of Rhombohedral iron ore. Meaning of Rhombohedral iron ore. Synonyms of Rhombohedral iron ore

Here you will find one or more explanations in English for the word Rhombohedral iron ore. Also in the bottom left of the page several parts of wikipedia pages related to the word Rhombohedral iron ore and, of course, Rhombohedral iron ore synonyms and on the right images related to the word Rhombohedral iron ore.

Definition of Rhombohedral iron ore

Rhombohedral iron ore
Rhombohedral Rhom`bo*he"dral, a. (Geom. & Crystallog.) Related to the rhombohedron; presenting the form of a rhombohedron, or a form derivable from a rhombohedron; relating to a system of forms including the rhombohedron and scalenohedron. Rhombohedral iron ore (Min.) See Hematite. Rhombohedral system (Crystallog.), a division of the hexagonal system embracing the rhombohedron, scalenohedron, etc.
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 massive and earthy forms; -- the last called red ocher. Called also specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under Brown.

Meaning of Rhombohedral iron ore from wikipedia

- identification. It crystallizes in the trigonal crystal system, and are rhombohedral in shape, typically with curved and striated faces. It also occurs in...
- the rhombohedral, corundum (α-Al2O3) structure and is the most common form. It occurs naturally as the mineral hematite which is mined as the main ore of...
- is a common iron oxide compound with the formula, Fe2O3 and is widely found in rocks and soils. Hematite crystals belong to the rhombohedral lattice system...
- Becher process. Ilmenite ores can also be converted to liquid iron and a titanium-rich slag using a smelting process. Ilmenite ore is used as a flux by steelmakers...
- lower. The two known forms of graphite, alpha (hexagonal) and beta (rhombohedral), have very similar physical properties, except that the graphene layers...
- can be found in most geological environments. It is not, however, an ore of iron, but can be instead oxidized to produce sulfuric acid. Related to the...
- brick-red form of mercury(II) sulfide (HgS). It is the most common source ore for refining elemental mercury, and is the historic source for the brilliant...
- 5 and 3.7. It crystallizes in the trigonal system, and cleaves with rhombohedral carbonate cleavage in three directions. Crystal twinning often is present...
- Dolomieu) in March 1792. The mineral dolomite crystallizes in the trigonal-rhombohedral system. It forms white, tan, gray, or pink crystals. Dolomite is a double...
- smithsonite. Crystals have the form of hexagonal prisms terminated by rhombohedral planes: there are distinct cleavages parallel to the prism-faces and...