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TAILLER CROIX HUIT RETABLIR SYMETRIE [1 record]

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Record 1 2007-01-19

English

Subject field(s)
  • Gemmology
  • Diamond Industry
CONT

Describe the traditional polishing sequence: a) crosswork the diamond: - follow company policies and cut specifications for the angles and indices; - block the diamond: ... - lap the diamond: ... b) brillianteer the diamond: ...

CONT

Describe a typical polishing sequence for rectangular and square emerald shapes: ... b) crosswork the diamond: leave proof of naturals or inclusions, if possible; create the girdle facets; create the crown breaks; create the pavilion breaks ...

OBS

Consists of two steps: the blocking and the lapping of the diamond.

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
OBS

Comprend deux étapes : le mise en croix et en huit (ou blocking) et le rétablissement de la symétrie et polissage (ou lapping).

Spanish

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