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MNO(OH) [1 record]

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Alphabetical list of terms

Record 1 2016-01-26

English

Subject field(s)
  • Mineralogy
  • Iron and Manganese Mining
Universal entry(ies)
MnO(OH)
formula
DEF

A steel-gray to iron-black orthorhombic mineral which consists of a natural hydrous oxide of manganese.

Key term(s)
  • grey manganese ore

French

Domaine(s)
  • Minéralogie
  • Mines de fer et de manganèse
Entrée(s) universelle(s)
MnO(OH)
formula
DEF

Minéral du système orthorhombique constitué d'oxyde hydraté naturel de manganèse se présentant en cristaux prismatiques, allongés et striés, de couleur gris foncé presque noire.

CONT

Pyrolusite [...] et acerdèse [...] sont les minerais de manganèse, dont on trouve des gisements dans les Pyrénées, en Suède, en Bohême, etc.

CONT

Les pyrolusites résultent de l'altération en polianite de l'acerdèse (ou manganite) et du grenat spessartite dont elles gardent souvent les formes cristallines [...]

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Minas de hierro y de manganeso
Entrada(s) universal(es)
MnO(OH)
formula
DEF

Óxido de manganeso, monoclínico [...]

OBS

[...] se encuentra en forma de cristales prismáticos, estriados, brillantes y de color gris oscuro, que constituyen una de las menas del manganeso.

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