Molding with sand and casting silver or gold into a Sandmold is a brilliant method for making basic jewelry forms very quickly.
Everybody can learn this method in about 2 hours. Then you may be able to mold your own jewelry easily at home.
The genious part about this is that: There are millions of different surface structures and surface textures which can be pressed into the sand.
HERE YOU HAVE YOUR NEVER-ENDING OPPORTUNITY OF INDIVIDUAL JEWELRY MAKING.
For example you can use shoe soles, candys, noodles, chicken bones, tools, etc.....
Here you can see an old roman potsherd which got molded in sand and then casted.