TERMIUM Plus®

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

MEIGENS REACTION [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2021-07-14

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Mineralogy
DEF

A test to distinguish calcite from aragonite.

OBS

After boiling for 20 min in a cobalt nitrate solution, aragonite becomes lilac, the color showing in thin section, while calcite and dolomite become pale blue, the color not showing in thin section.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Minéralogie
DEF

Test qui permet de distinguer le calcite de l'aragonite.

OBS

[...] on chauffe le minéral en poudre, calcite ou aragonite, pendant quelques minutes [...] La calcite prend une teinte bleu pâle, alors que l'aragonite devient lilas foncé.

Spanish

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