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QUARTZ WEDGE [1 record]

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Record 1 1977-11-10

English

Subject field(s)
  • Mineralogy
OBS

In an optical system such as a polarizing microscope, an elongate wedge of clear quartz that is used in analysis of a mineral's fast and slow vibration-plane traces, optical sign, and interference colors.

French

Domaine(s)
  • Minéralogie
OBS

La lame auxiliaire cristalline qui sert à déterminer la position précise d'une teinte de polarisation dans l'échelle chromatique est un "quartz compensateur". C'est une lame taillée en biseau, d'épaisseur par suite régulièrement croissante d'une extrémité à l'autre.

Spanish

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