TERMIUM Plus®

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

PYROXENE AEGYRINE [5 records]

Record 1 2013-03-28

English

Subject field(s)
  • Petrography

French

Domaine(s)
  • Pétrographie
DEF

Variété de granite alcalin riche en pyroxène sodique(aegyrine).

Spanish

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Record 2 2012-01-04

English

Subject field(s)
  • Mineralogy
DEF

A brown or green mineral of the clinopyroxene group occurring in alkali-rich igneous rocks.

OBS

When the composition [of acmite] varies due to ionic substitution of calcium for sodium and of magnesium and aluminum for ferric iron, the mineral is termed aegirine.

OBS

Compare with "acmite," which is often used synonymously.

French

Domaine(s)
  • Minéralogie
DEF

Pyroxène [...] monoclinique, caractéristique des roches hyperalcalines.

CONT

L’aegyrine est trouvée habituellement dans les roches alcalines, les syénites, les phonolites, etc. Elle se présente en fins cristaux verts.

Spanish

Campo(s) temático(s)
  • Mineralogía
DEF

Silicato de hierro y sodio NaFe(Si2O6), que cristaliza en el sistema monoclínico. Es un mineral verde, del grupo de los piroxenos, que se encuentra en las sienitas nefelínicas y otras rocas eruptivas.

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Record 3 2011-07-21

English

Subject field(s)
  • Mineralogy
DEF

A mineral intermediate between augite and [aegirine]; a variety of augite rich in sodium and ferric iron.

OBS

Strictly speaking, there is some structural difference between "acmite" and "aegirine." See the records for these terms.

Key term(s)
  • aegirinaugite

French

Domaine(s)
  • Minéralogie
DEF

Minéral intermédiaire entre l’augite et l’aegyrine.

CONT

Les mélanges d’aegyrine et d’augite donnent le pyroxène connu sous le nom d’augite aegyrinique qui est très riche en Na et très répandue dans les roches leucitiques, dans les phonolites et dans les syénites néphéliniques.

Key term(s)
  • augite aegyritique

Spanish

Save record 3

Record 4 1998-07-08

English

Subject field(s)
  • Petrography
  • Mineralogy
DEF

A trachyte in which the pyroxene is acmite or aegirine and the feldspar is anorthoclase. It differs from normal trachyte in that its predominant alkali is soda instead of potash. Acmite trachyte is intermediate between true trachyte and phonolite.

French

Domaine(s)
  • Pétrographie
  • Minéralogie
OBS

trachyte :[...] On en a des variétés très sodiques à pyroxène(aegyrine), parfois à amphibole rougeâtre(katophorite) [...]

Spanish

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Record 5 1997-02-18

English

Subject field(s)
  • Mineralogy
  • Petrography
CONT

The kakortokites and the overlying aegirine lujavrite of the Kangerdluarssuk area of the Ilimaussaq intrusion in Greenland contains 7.2 billion tonnes of 1.2% ZrO2, 0.1186% Nb2O5 and 0.3237% REO.

OBS

lujavrite: Coarse-grained eudialyte-bearing nepheline syenite, consisting of thin, nearly parallel tablets of feldspar ... with interstitial nepheline grains and aegirine needles. Also spelled lujauvrite, luijaurite.

Key term(s)
  • aegirine lujauvrite
  • aegirine luijaurite

French

Domaine(s)
  • Minéralogie
  • Pétrographie
OBS

lujavrite : syénite néphélinique à eudialyte et aegyrite aciculaire.

OBS

Les mélanges d’aegyrine et d’augite donnent le pyroxène connu sous le nom d’augite aegyrinique [...]

Key term(s)
  • lujavrite à aegyrine

Spanish

Save record 5

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