http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=andalusit.jpg  Andalusite, black spinel and tsavorite garnet necklace http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=cross.jpg  Celtic cross openwork, green ...

 Rococo pendant in green agate (still unpolished) http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=rococopendant.jpg

So, after some apprentice work with softer materials, the first agate carvings (need to give them the final polish but you still can have an idea): winged ...

 Last necklace with a complex focal element http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=001_1.jpg  http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=001_3.jpg

 http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=07.jpg Swarovski and foiled glass necklace  http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=02.jpg  Carved mother of pearl elements for a baroque necklace

 Replica of a Tang dinasty open work pendant  http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=Dragon_.jpg  The original:  http://farm1.static.flickr.com/44/177660229_3492eea941.jpg?v=0

 Cross, carved nacre and cubic zirconia http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=cruce.jpg  The seahorse above, finished, will become a complex fibula like the others before.For this one I used diamond burrs, they can work much more details and the mother of pearl doesn't wear them off, ...

 http://s476.photobucket.com/albums/rr127/at_amarfei/?action=view&current=seahorse_phase1.jpg  Seahorse under carving, still attached to the original shell. I've got diamond burrs for this one and it will have a bit more sophisticated details.  ...

Egyptian reminiscences - carved nacre scarabs, enamelled silver plates, carnelian, sodalite, coral, turquoise and amethyst beads and a couple of CZ gemstones... http://s476.photobucket.com/albums/r...=detaliu03.jpg http://s476.photobucket.com/albums/r...=colier090.jpg

I am not an enamel specialist but if the layer is thick then the heating should be as progressive as the cooling, otherwise there will be un-uniform penetration of heat in the layers and they will burst eachother and/or clusters of unmolten enamel will form. Heat as slow as possible, then cool as slow as possible.