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凹凸棒石(Attapulgite)粘土是层链状分子结构的含水镁铝硅酸盐矿物,化学分子式为(OH_2)_4(Mg,Al,Fe)_5(OH)_2Si_8O_(20)·4H_2O是一种稀缺的沉积型粘土矿物。
Attapulgite clay is a hydrous magnesia-aluminosilicate mineral with a chain-like molecular structure. The chemical formula is (OH 2) _4 (Mg, Al, Fe) _5 (OH) _2Si_8O_ (20) · 4H_2O is a scarce Sedimentary clay minerals.