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FORSTERITE [1 record]

Record 1 2012-01-03

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
Mg2SiO4
formula, see observation
DEF

A whitish or yellowish, magnesium-rich variety of olivine.

OBS

forsterite: named after J.R. Forster, a German naturalist.

OBS

Chemical formula: Mg2SiO4

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
Mg2SiO4
formula, see observation
DEF

Silicate de magnésie [...] presque pur, du groupe des péridots, [à] coloration vert olive ou jaunâtre [et] aspect craquelé.

CONT

Forstérite. [...] C'est le terme magnésien d'une série dont la fayalite est la plus ferrifère, l'olivine chrysolite étant intermédiaire (avec Mg et Fe). Les cristaux de forstérite sont analogues à ceux de l'olivine : prismes aplatis ou équidimensionnels.

OBS

Étymologie : dédiée à J. Forster, fondateur du cabinet Heuland, l'une des plus importantes collections privées de Grande-Bretagne.

OBS

Formule chimique : Mg2SiO4

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
Mg2SiO4
formula, see observation
DEF

Silicato de magnesio perteneciente, como el olivino, al grupo de los peridotos; es un mineral incoloro o verdoso [...], que cristaliza en el sistema ortorrómbico.

OBS

Fórmula química: Mg2SiO4

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