Ideally white precious metal-jewelry alloy, useful for preparing clocks, jewelry or its articles and/or writing instruments, comprises specified amount of rhodium and platinum

摘要

Ideally white, tarnish resistant precious metal- jewelry alloy comprises rhodium (40-70 wt.%) and platinum (30-60 wt.%). An independent claim is included for the preparation of a gem e.g. jewelry, clock, jewelry articles or letter device from precious metal-jewelry alloy using a lost wax technique.