ʻO Bentonite kahi ʻano pālolo i hoʻomalu ʻia e ka montmorillonite.ʻO ka Montmorillonite kahi mineral silicate i hoʻopaʻa ʻia me ʻelua mau papa o Si-O tetrahedron me kahi papa o Al-(O,OH) octahedral ma ke ʻano he ʻano hana.