| http://www.w3.org/ns/prov#value | - Ltd., 1985) where layered inorganic compounds are referred to, for example, including clay minerals, chalcogen compounds, zirconium phosphate compounds, oxyacid salts of transition metals, layered polysilicates, metal oxyhalogenides, and intercalary decoration thereof intercalated with ions or molecules between the crystalline layer units.
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