TERMIUM Plus®

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CRUSHING BORT [3 records]

Record 1 2007-03-11

English

Subject field(s)
  • Gemmology
  • Mineralogy
  • Diamond Industry
DEF

An industrial diamond of non-gem quality used to prepare the scaife.

CONT

Bort is a gray to black massive diamond, the colour of which is caused by inclusions and impurities.... Crushing bort, the lowest grade of diamonds, is crushed in steel mortars and graded into abrasive grits of various sizes.

Key term(s)
  • boor

French

Domaine(s)
  • Gemmologie
  • Minéralogie
  • Industrie diamantaire
DEF

Diamant présentant un défaut, inutilisable en bijouterie et servant d'abrasif.

Key term(s)
  • bortz
  • bowr
  • boor

Spanish

Campo(s) temático(s)
  • Estudio de las gemas
  • Mineralogía
  • Industria del diamante
CONT

El bort se usa para labrar otros diamantes y para perforar la roca en los sondeos.

Save record 1

Record 2 2007-01-12

English

Subject field(s)
  • Gemmology
  • Mineralogy
  • Diamond Industry
DEF

Lowest quality of industrial diamond.

OBS

Crushing bort is ground into diamond powder for use as an abrasive.

Key term(s)
  • fragmented boart

French

Domaine(s)
  • Gemmologie
  • Minéralogie
  • Industrie diamantaire
DEF

Plus basse qualité de diamant industriel.

OBS

Le bort de broyage est moulu en poudre de diamant pour servir d'abrasif.

Spanish

Save record 2

Record 3 2005-01-18

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

A larger diamond of high quality but poor colour (often yellow) that makes it unsuitable as a gem.

CONT

Crushing bort sells for about 30¢/ct; castings for $1/ct to $2/ct; industrial stones for $7/ct to $10/ct; flats(e. g., a high-quality thin macle) for $50/ct; and dies... for up to $200/ct.

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
OBS

Une qualité de brut qui est jaune.

Spanish

Save record 3

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