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GADOLINITA [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-07-29

English

Subject field(s)
  • Mineralogy
DEF

A black, greenish-black, or brown monoclinic mineral which consists of a rare-earth element, iron, beryllium silicate of the datolite group.

OBS

Named after the Swedish chemist J. Gadolin.

OBS

(Ca rich).

OBS

Chemical formula: Be2 (Ca,REE,Fe)3Si2O10

French

Domaine(s)
  • Minéralogie
DEF

Silicate d'yttrium, de fer et de béryllium cristallisant dans le système monoclinique, souvent accompagné de terres rares; il se présente en cristaux trapus, noirs, rougeâtres ou verdâtres, facilement altérables en surface.

OBS

(riche en Ca).

OBS

Formule chimique : Be2 (Ca,ÉTR,Fe)3Si2O10

Spanish

Campo(s) temático(s)
  • Mineralogía
DEF

Silicato de hierro, itrio y berilio [...] que cristaliza en el sistema monoclínico; es un mineral negruzco que a veces contiene torio.

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