What's the adjective for platinoids? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs platinize, platinate, platinise and platinum which may be used as adjectives within certain contexts.
platinum
Of a whitish grey colour, like that of the metal.
Of a musical recording that has sold over one million copies (for singles), or two million (for albums).
“Precise age of the platiniferous Merensky Reef, Bushveld Complex, South Africa, by the U-Pb zircon chemical abrasion ID-TIMS technique.”
“Hans Merensky who gave his name to the platiniferous Merensky Reef in the western limb of the Bushveld Complex.”
“These processes became necessary when the Company was considering starting up production of the platiniferous chromite deposit on its Menarik-James Bay property.”