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@acwiebusch "Smectite, also known as “swelling clay”, is a diverse group of clay minerals with a 2:1 layer silicate structure that can expand and contract upon wetting and drying." https://t.co/cr2rzK8Seh
@acwiebusch "Smectite, also known as “swelling clay”, is a diverse group of clay minerals with a 2:1 layer silicate structure that can expand and contract upon wetting and drying." https://t.co/cr2rzK8Seh