Precious metals gold, silver, platinum
, palladiumgold, silver, platinum, palladium, titanium, assay, hallmark,Maker Mends Ltd provider for the jewellery and watch industry. … gold nugget. Gold can be alloyed with other metals and comes in many colours. … It is non reactive to air and water.Native metal
Only gold, silver, copper and the platinum metals occur in nature in larger … the less reactive metals such as gold and platinum are found as native metals. … since the process of extracting metals from their ores, smelting, is thought to …. of the iron-nickel alloys: taenite (high nickel content) and kamacite (low nickel content).