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ALO(OH) [2 records]

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Alphabetical list of terms

Record 1 2024-12-10

English

Subject field(s)
  • Mineralogy
  • Bauxite Mining
  • Geochemistry
  • Chemical Elements and Compounds
Universal entry(ies)
AlO(OH)
formula
DEF

A grey, red, or brown mineral that consists of alumina in rhombic crystalline form and occurs in bauxite.

CONT

Young bauxites are gibbsitic. With age, gibbsites give way to boehmite and diaspore.

OBS

boehmite; böhmite: named after Johann Böhm, a German Bohemian chemist.

French

Domaine(s)
  • Minéralogie
  • Mines de bauxite
  • Géochimie
  • Éléments et composés chimiques
Entrée(s) universelle(s)
AlO(OH)
formula
DEF

Minéral orthorhombique de couleur blanc grisâtre à jaunâtre, [...] présent dans la bauxite.

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Minas de bauxita
  • Geoquímica
  • Elementos y compuestos químicos
Entrada(s) universal(es)
AlO(OH)
formula
DEF

[Mineral de] óxido natural de aluminio hidratado, uno de los constituyentes de la bauxita[,] cristaliza en el sistema rómbico.

Save record 1

Record 2 2012-04-13

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
AlO(OH)
formula
DEF

An [aluminum hydroxide] mineral composed of some bauxites occurring in white, lamellar masses.

CONT

With age, gibbsite gives way to boehmite and diaspore.

OBS

Crystallizes in the orthorhombic system.

OBS

Diaspore is transparent to translucent. Its colour may vary depending on the viewing direction and it may appear raspberry pink in artificial light or brownish green in natural light.

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
AlO(OH)
formula
DEF

Minéral (hydroxyde d'aluminium) du système cristallin orthorhombique.

CONT

[Le diaspore et la boehmite] sont, avec la gibbsite, [...] les constituants essentiels des bauxites [...] Masses lamelleuses ou fibreuses, à éclat souvent nacré, en principe blanches, mais souvent colorées par des impuretés [...] Par chauffage, le diaspore donne du corindon [...]

OBS

Étymologie : du grec diaspérein, «dispersion», en raison de la décrépitation au feu.

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
AlO(OH)
formula
DEF

Hidrato de aluminio [...] que cristaliza en el sistema rómbico; es un mineral de origen metamórfico que se encuentra en forma de cristales incoloros y transparentes.

Save record 2

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