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ALLCHARITE [1 record]

Record 1 2011-02-11

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
FeO(OH)
formula
alpha-FeO(OH)
formula, see observation
alpha-Fe+3O(OH)
formula, see observation
DEF

A yellowish, reddish, or brownish-black orthorhombic mineral [which] is trimorphous with lepidocrocite and akaganéite.

OBS

Goethite is the commonest constituent of many forms of natural rust or of limonite, and it occurs especially as a weathering product in the gossans of sulfide-bearing ore deposits.

OBS

Goethite: [Etymology:] named after the poet and philosopher Goethe.

OBS

Chemical formula: alpha-Fe+3O(OH)

OBS

The word "alpha" must be replaced by the corresponding Greek letter.

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
FeO(OH)
formula
alpha-FeO(OH)
formula, see observation
alpha-Fe+3O(OH)
formula, see observation
DEF

Oxyde naturel hydraté de fer [...] orthorhombique, qui peut être un constituant de la limonite.

OBS

Étymologie : en l'honneur du poète Goethe.

OBS

Formule chimique : alpha-Fe+3O(OH)

OBS

Le mot «alpha» doit être remplacé par la lettre grecque correspondante.

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
FeO(OH)
formula
alpha-FeO(OH)
formula, see observation
alpha-Fe+3O(OH)
formula, see observation
DEF

Óxido de hierro [...] que cristaliza en el sistema rómbico bipiramidal; sus pequeños cristales pardos se encuentran agrupados en forma de haces.

OBS

Fórmula química: alpha-Fe+3O(OH)

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