A colorless,blue,yellow,brown,or pink aluminum silicate mineral,often found in association with granitic rocks and valued as a gemstone,especially in the brown and pink varieties.

• 黄晶，黄玉一种无色，蓝色，黄色，褐色或粉色的硅化铝矿石，常常与花岗岩伴生并具有宝石的价值，特别是其中的褐色和粉红色种类。