grains of wet alkaline aluminum iron magnesium
separately suspended and adrift
settling in bonded tetrahedral and octahedral sheets
attapulgite beidellite dickite halloysite illite kaolinite
montmorillonite nacrite nontronite saponite smectite sepiolite
layering in soils
plastic
molded tablets bricks tiles cups pots urns
distinct
sintered ceramic earthen porcelain stone
composite
