pyrophyllite

名词 pyrophyllite:

1. a white or greenish aluminum silicate mineral (resembles talc)

py.ro.phyl.lite

n.（名词）
A silvery white or pale green aluminum silicate mineral, Al2Si 4O 0(OH) 2, occurring naturally in soft, compact masses.
叶腊石：一种银白色或浅绿色的铝硅酸盐矿石，Al2Si 4O 0(OH) 2，在松软紧密的矿堆中自然产生