A complex crystalline silicate containing aluminum, boron, and other elements, used in electronic instrumentation and, especially in its green, clear, and blue varieties, as a gemstone.

• 电气石一种复合晶体硅酸盐，含有铝、硼和其它元素，用于电子仪器制造，其绿色，透明及蓝色的变体可作为宝石