Some solution to provide shine to the mosaic? I want to give a completed brilliant make notes on to...

I want to give a completed brilliant make notes on to the floor that I have contained by the garden. I would I like something that be permanent, some suggestion? I hold tried with some oil but it didn't work. If you could tell me the brand it would be great. Thanks!
I am within the process of have a...
Answers:    You could perchance poly-urethane it like they do on hardwood floors to supply it shine.

Just an idea :)