Yes. The US has struck patterns in multiple materials including plastic and wood. I have a Japanese 5 Fen coin (1945) that was struck in compressed fibers as well.
Non-metallic
Metallic and non-metallic
The mineral halite is non-metallic.
It is a mixture - partially metallic and partially non-metallic
Non metallic, kaolin is a clay mineral.
Neon is a noble gas and thus non-metallic.
Copper wire is the best, glass is the worst. Coins are not bad, aluminium cans are OK for small amounts of current. Modern steel coins are worse than the old coins with copper in them.
Nitrogen is a non-metal.
Metallic oxides+ H2O - Base Non-metallic oxides+ H2O - Acid
fossils are not metallic minerals. marbles are non metallic minerals.
Non metallic minerals are minerals that have no shine and crumble easily. Non-metallic minerals are sand, gravel, and stone.
non metallic property is composed of non metal elements ..