What is the blackener used on brass in the fashion jewelry industry?
One you may wish to try is called M20 Antique Black by Birchwood
Laboratories. This can be bought from J-Tech LLC, there phone is
Guyot Brothers Co Inc
Decorative jewelry findings & ornamental stampings since 1904
Most gun shops carry it on the shelf.
Reactive Metals Studio, Inc.
Readers, the (MASSC) Metal Arts Society of Southern California is
hosting a “patination workshop” being offered in San Diego area.
There are still many seats open. Additional may be found