Chromite - Wikipedia
Chromite is a crystalline mineral composed primarily of iron (II) oxide and chromium (III) oxide compounds. It can be represented by the chemical formula of FeCr 2 O 4. It is an oxide mineral belonging to the spinel group.
Chromite | Chromium Ore, Properties, Uses and Occurrence
2023年4月23日 · Chromite is an oxide mineral that an iron chromium oxide with formula: FeCr2O4. It is belonging to the spinel group. Chromite is the most important ore of chromium.
Chromite: The only mineral ore of chromium metal - Geology.com
What is Chromite? Chromite is an oxide mineral composed of chromium, iron, and oxygen (FeCr 2 O 4). It is dark gray to black in color with a metallic to submetallic luster and a high specific gravity.
Chromite | Ores, Mining, Processing | Britannica
Chromite, relatively hard, metallic, black oxide mineral of chromium and iron (FeCr2O4) that is the chief commercial source of chromium. It is the principal member of the spinel series of chromium oxides; the other naturally occurring member is magnesiochromite, oxide …
Chromite: Mineral information, data and localities. - mindat.org
Chromite is the most important chromium ore mineral. It forms a complete solid solution series with many other members of the group, eg. in the Chromite-Hercynite Series, Chromite-Spinel Series, Chromite-Magnetite Series and the Chromite-Magnesiochromite Series. It is the iron analogue of Zincochromite, Cochromite, Manganochromite and ...
Chromite - an overview | ScienceDirect Topics
Chromite is an oxide mineral belonging to the spinel group, a complex mineral containing magnesium, iron, aluminum, and Cr in varying proportions, depending on the deposit, that can be represented as FeCr 2 O 4 or (Fe 2+,Mg) [Cr,Al,Fe 3+] 2 O 4 (Murthy et al., 2011; Sanchez-Segado et al., 2015).
The Mineral chromite - The Mineral and Gemstone Kingdom
Chromite, the principle ore of the element chromium, is a commercially valuable mineral. However, due to mining restrictions and the fact that Chromite is not commonly found in crystallized form, it is not well-represented in mineral collections.
Chromite | Earth Sciences Museum - University of Waterloo
Chromite is the main source of the metal chromium, a metal used to induce hardness, toughness and chemical resistance in steel. It was named after its chemical composition, chromium oxide. The mineral is brownish to black in colour with a dark brown streak. It has a conchoidal or an uneven fracture as well as no distinct cleavage.
Peridotites, chromitites and diamonds in ophiolites - Nature
2021年2月16日 · Formation of chromitites in ophiolites. The presence of diamond and other UHP minerals in the peridotite mantle section of ophiolites raises several questions and challenges about the traditional...
Chromite Mineral Data
Cummulate mineral found in ultramafic portions of layered mafic intrusions. Common in meteorites. IMA Status: Valid Species (Pre-IMA) 1845. Locality: Bastide de la Carrade, …