Black mica including bronze mica, black mica, iron mica and manganese black mica; 黑云母包括金云母、黑云母、鐵云母和錳黑云母；
Definition: Chlorite Schist is a black mica schist or a carbonate schist of chlorite mica of metamorphic group. 本品為變質(zhì)巖類黑云母片巖或綠泥石化云母碳酸鹽片巖。
A blue or bluish black pigment has been prepared based on the technology of coating the phthalocyanine blue and active carbon on the mica-based pearlescent pigment. 將酞菁藍和活性炭包覆在云母鈦珠光顏料上，制得藍色至藍黑色的珠光顏料。