Guizhou bauxite is a difficult to digest diaspore bauxite and its silicon content is high while iron content is low.

• 贵州铝土矿是高硅低铁、难溶的一水硬铝石型矿石，其铝矿物及硅矿物比俄罗斯和希腊同类型铝土矿中的铝硅矿物都难溶。