Adjective
isotypic (not comparable)
(geology, of a mineral) Having the same crystal or chemical structure as another
Its crystal lattice is isotypic with the oxides of most trivalent rare-earth metals. Source: Internet
So, chloride (AmCl 3 ) is reddish and has a structure isotypic to uranium(III) chloride (space group P6 3 /m) and the melting point of 715 °C. Source: Internet
The fluoride is isotypic to LaF 3 (space group P6 3 /mmc) and the iodide to BiI 3 (space group R 3 ). Source: Internet
The crystal consists of a double- hexagonal close packing with the layer sequence ABAC and so is isotypic with α-lanthanum and several actinides such as α-curium. Source: Internet
The crystal has a double- hexagonal close packing structure with the layer sequence ABAC and so is isotypic (having a similar structure) with α-lanthanum and α-forms of actinides beyond curium. Source: Internet