COVELLITE CuS (hexagonal) . platy crystals, tarnished, in quartz . Silver Bow County, Montana . 銅藍晶體呈六邊形板狀或葉狀，靛藍色，偶見彩虹光，次金屬光澤至暗淡光 澤，硬度 1.5~2，形成於含銅礦區的蝕變區．

經典名礦欣賞．２．３．４．５
NO.329