This is a cloche. Cloche means bell in French. I believe a cloche was originally referred to as a small glass dome used to force plants to bloom (like a mini green house). But in decor terms, it's usually a display (raised on a stand) under glass.
Idea for old book pages. possibility for that giant vintage cloche I don't know what to do with. where to display though. hmmm maybe instead of picking one inspirational quote, print all my faves and keep them in cloche and on display! a solution!
It looks like the light is enhancing the dust particles around her hand, I think this is quite creative as it looks so different and new, it is quite hard to see dust particles but in certain lights it can look rather magical.