What do you need to know?
Im not sure —is it possible that your question may have been cut off?
Could you please repost it again —so that we can try to address your situation to offer a helpful response?
If you are looking for a mosaic glue suggestion— my recommendation woukd bpbe E6000.
We need to know what you are asking about glass mosaics. We are happy to help if you could repost and let us know more specifically what are your questions.