The first one looks like Oceanside Glass tile. You can customize the mosaic by picking the shape and color choices or just go with one of their pre-made combos. The bottom one could be from anyone. You can the same look with Oceanside though. Here is a link that might be useful: manufaturer's website

I have seen custom floor jobs that used materials other than those made exclusively for use as flooring. For example, 4 foot by 4 foot slabs of tempered Masonite colored to look like stained concrete...and then given several coats of commercial waterborne polyurethane...authentic-looking and a durable product. I did one as a stage floor where I simply finished the Masonite as it was with no coloring done. A similar look can be gotten using slabs of Forbo genuine linoleum in any size and shape format desired. Genuine linoleum is an extruded product, so there is no rotogravure printing method to destroy the illusion. You can do a similar thing with homogenous commercial sheet vinyl. I did a job in New Hampshire that used 16" by 16" Toli commercial vinyl tile that included a custom cut Belgian block border of the same material that was grouted with Laticrete epoxy ceramic tile grout. It just takes a little knowledge of available materials and the experience to know how to make them into a 'value added desired result'. What you want is definitely achievable; you just have to find the flooring artist who will work with you to create the unique floor you want.

found this,,,but if you're in the UK, there are tons of options! https://www.pinterest.com/offsite/?token=233-38&url=http%3A%2F%2Fwww.neishacrosland.com%2Fflooring&pin=163185186473325220&client_tracking_params=CwABAAAADDgyMDUzMjA5NTcyNQA~0 or, make you own https://www.blesserhouse.com/diy-moroccan-vinyl-tile-floor/

Looks like limestone - probably sold in the store as Travertine tile. Bruce