A topaz is a hard, clear stone used in jewellery. The one most people picture is a warm golden-yellow, and that is the colour the word carries — but real topaz also comes in blue, pink, brown, and colourless, and much of the bright blue topaz in shops is a pale stone that has been treated to change its colour.

A topaz is a hard, clear stonetopaz 是一種堅硬、透明的寶石，used in jewellery用在珠寶上。The one most people picture is a warm golden-yellow大部分人腦中浮現的是暖暖的金黃色，and that is the colour the word carries這也是這個字給人的顏色印象——but real topaz also comes in blue, pink, brown, and colourless但真正的 topaz 也有藍色、粉紅色、棕色和無色的，and much of the bright blue topaz in shops is a pale stone that has been treated to change its colour而店裡很多鮮豔的藍色 topaz 其實是原本很淡的石頭經過處理改色的。

It is the birthstone linked to November, so you will see it in rings and necklaces sold for people born in that month.

It is the birthstone linked to November它是十一月的誕生石，so you will see it in rings and necklaces sold for people born in that month所以會在賣給那個月出生的人的戒指和項鍊上看到它。

The word does a second job as a colour word. 'Topaz eyes', 'a topaz sky', 'topaz light' — writers use it for that yellow-gold, slightly transparent shade, the way they use 'emerald' for green. Used this way it sounds literary and a bit old-fashioned; you would not say it about your car.

The word does a second job這個字還有第二個用法，as a colour word當作顏色詞使用。'Topaz eyes', 'a topaz sky', 'topaz light''topaz eyes'（琥珀色眼睛）、'a topaz sky'（金黃色的天空）、'topaz light'（金黃透亮的光線）——writers use it for that yellow-gold, slightly transparent shade作家用它形容那種金黃、帶點透亮的色調，the way they use 'emerald' for green就像用 'emerald' 形容綠色一樣。Used this way it sounds literary and a bit old-fashioned這樣用聽起來很文學、有點老派；you would not say it about your car你不會拿它來形容你的車。

Note that topaz is not the same as citrine, another yellow stone often sold under the topaz name, and it is far less expensive than a diamond, though it is quite hard and scratches only with difficulty.

Note that topaz is not the same as citrine要注意 topaz 跟 citrine（黃水晶）不是同一種，another yellow stone often sold under the topaz namecitrine 是另一種常常被冒充 topaz 賣的黃色石頭，and it is far less expensive than a diamond而且它比鑽石便宜很多，though it is quite hard and scratches only with difficulty雖然它相當硬，很難刮傷。

The plural is 'topazes'. The word came into English from Old French topace, and before that from Ancient Greek τόπαζος (tópazos).

The plural is 'topazes'複數是 'topazes'。The word came into English from Old French topace這個字是從古法文 topace 進入英文的，and before that from Ancient Greek τόπαζος (tópazos)再更早則是來自古希臘文 τόπαζος (tópazos)。