Dear Sir/Madam, I'm looking for Synthetic crushed opal of various colors. It needs to be 30 mesh or greater pieces. This is for inlaying rings and other jewelry. I would like to buy several different colors in quantities of at least 50 grams per color. I would like free samples before purchasing if possible. Thank you for your help. Material:Synthetic Opal Other name: synthetic opal rough chips (30 mesh or larger pieces) Application: Ring Inlay (jewelry) Sizes: 30 mesh or higher hardness:4 Show More