How do you bond glass to glass

I think E600 would be a great choice. Its at walmart and craft stores-

Ive used it to flatten glass marbles and faceted glass plates on woodn glass windows to make decorative hangings.

Please have a look at product information to see if it might meet your needs.

http://eclecticproducts.com/products/e6000/e6000-craft.html

e-6000 works very well

E6000 glue

Gorilla glue clear or E6000

the best adsevice is Loctite for glass, the others will not last

you need an adhesive made for glass -

Loctite Glass Glue is the only patented super glue specially formulated for bonding glass. Forming fast and durable joints, the bond is water resistant to stand up to everyday use. Loctite Glass Glue dries clear, sets without clamping and is dishwasher safe.

Glass Glue from Loctite Adhesives

www.loctiteproducts.com/p/sg_glass/overview/Loctite-Glass-Glue.htm