Q: 1. Does the cloth require a lot of rubbing to remove silver tarnish? 2. is it the kind that can be used even after the cloth darkens with tarnish?
Q: Can the cloths be used on plated metals? Thanks.
Q: Can this be used safely on colored gemstones such as Tanzanite, Chrome Diopside, Strontium Titinate zircon, and topaz?