Platinum basics
Platinum is PT for short. It’s a white precious metal and its color is silver white, with hardness 4-4.5, the
Five tricks for identifying platinum and silver
Platinum and silver colors are relatively similar and inexperienced people can easily confuse them. Sohow to identify them? Ask jewelry
Five tricks to identify platinum and K gold
Platinum is PT for short, like pt990, pt950 and pt900. 18K white gold or 18KWG gold jewelry on the market