cristal maclé

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Désignations

français
  • cristal maclé (masculine noun)

    CONT: Jonction le long de laquelle le cristal maclé est formé.

anglais
  • twinned crystal (correct)

    CONT: Crystal distorted at the atomic level early in its growth as a result of changes in the orientation of atoms; as atoms continue to attach themselves to the re-oriented segment, another crystal begins to form, intergrown with the first. Twin crystals can be made up of two or more such intergrown crystals holding planes of atoms in common.
    CONT: Seam line along which twinned crystal is formed.

  • synonyme : twinning
  • synonyme : compound crystal
  • synonyme : twin crystal

Codes : pays ou zone où la désignation a cours (CH, FR, DE, EU = Union européenne, INT = usage international). Une désignation barrée est déconseillée.

Définitions

anglais
A characteristic of some rough diamonds; two crystals that are bonded along a seam and rotated 60° to one another; inclusions are normally trapped along the seam; also referred to as twinning.

Classement

Collections

Domaines

  • Gemmologie

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