topaz

• Nom désignant un minéral, généralement un silicate d'aluminium, que l'on trouve en cristaux de diverses couleurs et utilisé comme pierre précieuse, ou la couleur brun clair rappelant celle de cette pierre.

A noun referring to a mineral, typically a silicate of aluminum, that occurs in crystals of various colors and is used as a gemstone, or a light brown color resembling that of the gem.

1. A yellow quartzB1formal

   A type of quartz that is yellow in color, often mistaken for the true topaz gemstone.

   Quartz jaune

   • The ring was set with a beautiful yellow quartz, often called topaz by mistake.
   • Many people confuse yellow quartz with genuine topaz.
   • The jeweler explained that the stone was actually a yellow quartz, not topaz.

   Synonymescitrine

2. A mineral gemstoneB1formal

   A mineral composed of fluosilicate of aluminum, occurring in crystals of various colors, used as a gemstone.

   Topaze (minéral)

   • She wore a necklace with a stunning blue topaz pendant.
   • Topaz is often found in shades of yellow, blue, and pink.
   • The museum displayed a collection of rare topaz crystals.

3. B2formal

   A light brown color resembling the hue of the topaz gemstone.

   Topaze (couleur)

   • The walls were painted a warm topaz shade.
   • Her dress was a beautiful topaz brown.
   • The sunset cast a topaz glow over the landscape.

   Synonymestan