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BECKE TEST [1 record]

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Record 1 1998-05-25

English

Subject field(s)
  • Mineralogy
DEF

In optical mineralogy, a method or test for determining relative indices of refraction. A method for determining microscopically the index of refraction of a mineral compared with that of an oil or another substance, such as Canada balsam, in which it is immersed, or of two adjacent mineral in a microscopic thin section.

French

Domaine(s)
  • Minéralogie
OBS

Becke (Friedrich) [...] est surtout connu pour avoir inventé une méthode de détermination rapide des indices de réfraction, valable pour les fragments microscopiques contenus dans les roches.

Key term(s)
  • essai de réfringence

Spanish

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