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ROGNONNEUX [1 record]

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Alphabetical list of terms

Record 1 2006-05-30

English

Subject field(s)
  • Mineralogy
  • Geochemistry
DEF

Said of a crystal structure in which radiating crystals terminate in rounded masses; also said of mineral deposits having a surface of rounded kidneylike shapes.

CONT

Hematite in reniform masses.

OBS

"Reniform", named from the kidney-like character of the masses, implies a larger-scale variety [than botryoidal]. "Mammilated" ... describes the same formation on an even larger scale.

Key term(s)
  • kidney-like

French

Domaine(s)
  • Minéralogie
  • Géochimie
DEF

Qui a la forme d'un rein.

CONT

Les minéraux peuvent être stalactiformes, en masses mamelonnées, réniformes, botryoidales (en grappes), dont la texture interne est souvent fibreuse, parfois fibroradiée [...]

PHR

Minerai en rognons.

PHR

Masse rognonneuse.

Spanish

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