Have been looking at various stones that are in my collection, and I found a 3.5 carat marquise cut Amethyst and thought that it would make a good pendant for a necklace.  I took some sheet Sterling Silver and cut out an oval then pierced a 16 x 8 mm marquise shape hole in the silver.  Soldered a jump ring to the top and four prongs to hold the stone in place, pickles, polished and then patinated with Liver of Sulfur.  The result was very unique: