I love this mirror here because it has balance yet it's a "questionable balance" because of the circles that come to interfere with the lines. That's extraordinary. What I also find intriguing is how the effect achieved here was based on the use of only two colours. And indeed "plain" ones. Very interesting minimalist look!
Mosaic mirrors are popular objects for mosaic decoration. They give a special sparkle. They are easy to make which is one of the reasons why those wanting to begin learning mosaics could start with a small mosaic mirror project.