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.是什么意思_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.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句