The Moh's Scale of Hardness. The Moh's Scale of Hardness ranks minerals, materials, metals and Gemstones on a scale of 110. 10 being the best and the most durable. Diamond is a 10. Gold and Silver on the other hand are only a – 3 on the Moh's Scale. They are fairly easy to work with (Jewelers love it) because they are so malleable. But, this also makes them bend, wear down and .
THE DURABILITY AND HARDNESS OF METALS – Jewelry Secrets
