TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

COCKSCOMB PYRITE [1 record]

Record 1 2016-02-19

English

Subject field(s)
  • Mineralogy
  • Metals Mining
Universal entry(ies)
FeS2
formula, see observation
1317-66-4
CAS number
DEF

A common metallic light yellow or grayish, orthorhombic mineral ...

OBS

It is dimorphous with pyrite and resembles it in appearance, but marcasite has a lower specific gravity, less chemical stability, and usually a paler color.

OBS

Chemical formula: FeS2

Key term(s)
  • white pyrite
  • white iron pyrite
  • cockscomb pyrite
  • spear pyrite
  • lamellar pyrite

French

Domaine(s)
  • Minéralogie
  • Mines métalliques
Entrée(s) universelle(s)
FeS2
formula, see observation
1317-66-4
CAS number
DEF

Minéral (sulfure) du système cristallin orthorhombique, à éclat métallique, jaune bronzé, souvent plus clair que la pyrite [...]

CONT

La marcasite a des cristaux tabulaires orthorhombiques et souvent elle est maclée polysynthétiquement de façon à former des assemblages qui ont l'apparence de «crête de coq». On observe aussi fréquemment des masses fibreuses divergeant autour d'un centre et donnant des «rognons» ou des stalactites. La couleur est jaune à grise; la dureté de 6 à 6,5 [...]

OBS

Formule chimique : FeS2

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Minas metálicas
Entrada(s) universal(es)
FeS2
formula, see observation
1317-66-4
CAS number
DEF

Sulfuro de hierro [...] que cristaliza en el sistema ortorrómbico [...]

OBS

[...] mineral de color gris amarillento, de brillo metálico, que se encuentra en forma de bolas constituidas por agujas radiales o bien en la de cristales tabulares agrupados en maclas [...]

OBS

Fórmula química: FeS2

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