TERMIUM Plus®

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HEPTAPHYLLITE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2013-08-21

English

Subject field(s)
  • Mineralogy
DEF

Any of a group of micas (as muscovite and other light-colored micas) with seven metallic ions per ten oxygen and two hydroxyl ions ...

French

Domaine(s)
  • Minéralogie
OBS

On pourra enfin distinguer dans [les] micas deux sous-groupes très importants, sous-groupes qui seront séparés par la présence dans la formule, en dehors de l'oxygène et des groupements (OH) : - soit de 7 atomes (ou 7 Xn), ce seront les heptaphyllites; - soit de 8 atomes (ou 8 Xn), ce seront les octophyllites.

Spanish

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