You are looking at a very nice sterling silver amethyst weave pendant for sale. It is made out of genuine sterling silver and made in the U.S.A.  As you can see the silversmith work in this piece of jewelry is top quality.  This pendant comes with a 1mm 16" inch sterling silver snake chain.

Pendant Measurements: 2" inches long  x  3/4" inches wide  (The bail can take up to a 7mm chain)
Amethyst Gemstone Measurement: 7mm x 13mm
Weight: 9 grams 
Artist: Wayne DeSantis