Very pretty! I agree the vanity top looks like carrara. The mosaic border looks like calacatta gold (or oro) to me. Try this site I found. They have hex tiles in many different marbles, I didn't find calacatta gold, but maybe you could try customer service. They have other stones that approximate the look, though. If you don't like the dark tones on the floor, just go with a plain white hex tile, to pick up the mosaic shape. Here is a link that might be useful: Mosaics Direct

I think the link you sent has more black accents than mahogany, BUT it looks like the one I'm looking for could be Kashmir Gold from the same site. Although when I do a search on Kashmir Gold, the pics on different sites look much more darker gold in color.

I skimmed on this discussion, and saw something: [https://www.houzz.com/discussions/distressed-white-wood-tile-dsvw-vd~4046884[(https://www.houzz.com/discussions/distressed-white-wood-tile-dsvw-vd~4046884)

Looks totally like the 70's. Here's Sherwin Williams' take on colors of the time https://www.sherwin-williams.com/homeowners/color-through-the-decades/1970s Not likely it contains asbestos. Lots of articles about that if you google. I posted some old tile on Craigslist for free. Had a lot of takers. If you have a lot of it, you might be able to get some $ for it. If not, check to see if Habitat ReUse near you will take it. They are getting sort of picky about what they'll take around me.