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OEIL-DE-CHAT [3 records]

Record 1 2014-11-06

English

Subject field(s)
  • Mineralogy

French

Domaine(s)
  • Minéralogie
OBS

Seuls les chrysobéryls ont droit à la simple appellation «œil-de-chat».

Spanish

Save record 1

Record 2 2014-11-04

English

Subject field(s)
  • Jewellery
  • Gemmology
CONT

Chrysoberyl cat's eye possesses a characteristic opalescence which is not seen in other chatoyant gemstones.

OBS

cat's-eye: Term properly applied only to cymophane, the chrysoberyl cat's-eye.

French

Domaine(s)
  • Joaillerie et bijouterie
  • Gemmologie
DEF

Variété de chrysobéryl jaune-vert, brun-vert, gris-vert, brun-miel, transparent à translucide, montrant un trait lumineux ondulant à reflet bleuâtre ou blanc-argenté lorsqu'on fait osciller la pierre (taillée en cabochon).

CONT

Seuls les chrysobéryls ont droit à la simple appellation «œil-de-chat».

Spanish

Save record 2

Record 3 2014-11-04

English

Subject field(s)
  • Jewellery
  • Gemmology
DEF

Applied to any gemstone which, when cut cabochon, exhibits under a single, strong point source, a sharp, well-defined light band, line or streak of white light across the dome of the stone, which moves as the stone is turned about.

OBS

The term "cat's-eye" refers to the optical phenomenon of chatoyancy. Gemstones displaying chatoyancy must be described by their mineral name or variety followed by the suffix "cat's-eye".

PHR

Enstatite cat's-eye.

French

Domaine(s)
  • Joaillerie et bijouterie
  • Gemmologie
DEF

Se dit [...] pour les variétés de gemmes chatoyantes [...] dont le nom doit précéder l'appellation «œil-de-chat».

CONT

La désignation «œil de chat» désigne un phénomène optique de chatoiement. Les pierres présentant cette caractéristique doivent être désignées par leur nom de minéral suivi de la mention «œil de chat».

PHR

Quartz œil-de-chat.

Spanish

Save record 3

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