Monday Mystery

Another good set of guesses for last week's mystery object



which was part of



my favourite Summer footwear.
Well done to Adrian, Dave, the Veg Artist, Traveller, Ellen D, Kris and Ragged Robin.
I think that shoe was listed as a moccasin though boat shoe or loafer would be a better description.

This week's may take a bit more thinking about



This is a microscopic view of ...... what?

Please leave any guesses in the comments.
They will be revealed, along with the answer, next Monday.