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(FE MG)(CR AL)2O4 [1 record]
Record 1 - internal organization data 2011-07-29
Record 1, English
Record 1, Subject field(s)
- Mineralogy
- Metals Mining
Universal entry(ies) Record 1
Record 1, Main entry term, English
- chromite
1, record 1, English, chromite
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- chrome-iron ore 2, record 1, English, chrome%2Diron%20ore
correct
- chrome iron ore 3, record 1, English, chrome%20iron%20ore
correct
- chrome iron 3, record 1, English, chrome%20iron
- chromium iron 4, record 1, English, chromium%20iron
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A brownish-black to iron-black mineral belonging to the spinel group, and occurring in octahedral crystals in igneous rocks, or also massive in detrital deposits. 5, record 1, English, - chromite
Record number: 1, Textual support number: 1 CONT
Chromite is the only commercial ore of chromium. 2, record 1, English, - chromite
Record number: 1, Textual support number: 2 CONT
Chromite is mined almost exclusively from massive to semimassive accumulations in ultramafic or mafic igneous rocks. 6, record 1, English, - chromite
Record number: 1, Textual support number: 1 OBS
Chromite is so-named because Cr usually is the dominant element. 7, record 1, English, - chromite
Record number: 1, Textual support number: 2 OBS
Chemical formula: (Fe,Mg)(Cr,Al)2O4 5, record 1, English, - chromite
Record 1, French
Record 1, Domaine(s)
- Minéralogie
- Mines métalliques
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- chromite
1, record 1, French, chromite
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- fer chromé 2, record 1, French, fer%20chrom%C3%A9
correct, masculine noun
- chromoferrite 3, record 1, French, chromoferrite
correct, feminine noun
- fer chromaté 4, record 1, French, fer%20chromat%C3%A9
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Espèce minérale [...] que l'on exploite comme minerai de chrome. 3, record 1, French, - chromite
Record number: 1, Textual support number: 1 CONT
Il est rare de trouver les chromites bien cristallisées; on les voit plus généralement en masses grenues de dureté d = 5,5 et dont la densité varie entre 4,5 et 5,0 [...] les chromites sont opaques et noir de fer. La poussière est noire avec un éclat submétallique. En esquilles très minces, elle peut être légèrement translucide. Non magnétique par elle-même [...] C'est une espèce minérale typique de roche basique [...]; elle peut même constituer [...] des amas individualisés qui forment les gîtes industriels dont on extrait le chrome. 5, record 1, French, - chromite
Record number: 1, Textual support number: 2 CONT
En dehors du chromocre [...] et de la crocoïte [...] qui n'ont qu'un intérêt scientifique, le seul minerai de chrome utilisé est la chromite ou fer chromé [...] 6, record 1, French, - chromite
Record number: 1, Textual support number: 3 CONT
La chromite est extraite presque exclusivement d'accumulations massives à semi-massives dans des roches ignées ultramafiques ou mafiques. 7, record 1, French, - chromite
Record number: 1, Textual support number: 1 OBS
Formule chimique : (Fe,Mg)(Cr,Al)2O4 8, record 1, French, - chromite
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Mineralogía
- Minas metálicas
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- cromita
1, record 1, Spanish, cromita
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- cromoferrita 2, record 1, Spanish, cromoferrita
correct, feminine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Cromato de hierro [...], que se encuentra en forma de masas granulares o compactas de color negro. 2, record 1, Spanish, - cromita
Record number: 1, Textual support number: 1 CONT
La cromita es una espinela en forma de pequeños cristales con frecuencia acompañados de serpentina. Contiene de 44 a 64% de óxido crómico, de 19 a 38% de óxido férrico y de 0 a 18% de magnesia. Es el más importante de todos los minerales de cromo beneficiados y se usa también como materia refractaria, pues es muy poco fusible. 2, record 1, Spanish, - cromita
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