topaz

• 一种矿物，通常是铝硅酸盐，以各种颜色的晶体形式存在，用作宝石；也指类似这种宝石颜色的浅棕色。

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.

   黄水晶

   • 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.

   同义词citrine

2. A mineral gemstoneB1formal

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

   矿物宝石

   • 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.

   托帕石色

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

   同义词tan