[Jerome Kelty] crafts custom jewelry from platinum. Here’s an in-depth look at his process. The first step of his Instructable post is so long you might be fooled into thinking it’s the whole ...
For instance, platinum jewelry in India is stamped with a Pt950 mark, which denotes 95% purity. Be sure to keep an eye out for tamper-proof quality assurance cards.
(PRESS RELEASE) NEW YORK, NEW YORK — Platinum Guild International USA has launched its first digital Platinum Source Book, a ...
Most notably, platinum metal is used in autocatalysts and jewelry, as well as for medical and industrial purposes. Those interested in investing in platinum would do well to be aware of the many ...