tourmaline

柯林斯英漢雙解大詞典

tourmaline /ˈtʊəməˌliːn/

1.N any of a group of hard glassy minerals of variable colour consisting of complex borosilicates of aluminium with quantities of lithium, sodium, calcium, potassium, iron, and magnesium in hexagonal crystalline form: used in optical and electrical equipment and in jewellery 電氣石 ^[1] 

watermelon tourmaline 西瓜碧璽 ; 西瓜電氣石

green tourmaline 綠碧璽 ; 綠色碧璽 ; 碧璽電氣石

Siberian tourmaline 西伯利亞碧

Transvaal tourmaline 德蘭士瓦碧璽

tourmaline pincette 電氣石鋏 ; 電氣石鉗

Tourmaline Vineyard 階地

tourmaline oscillator 電氣石振盪器

tourmaline tongs 電氣石鉗 ^[1]