Sorry, but I do't have the specs for the tile. For this information, you could ask the Interior Designer for the project, Teal Davison Design + Finish

Julie did you ever find the tile manufacture?

I think I found it: https://clayimports.com/product/black-tip-clay/

Link above leads to a "PRODUCT NOT FOUND OR LINK BROKEN" page.

Floor tile appears to be a Peak Hex porcelain tile, widely available (at least similar versions):

https://www.houzz.com/products/peak-hex-encaustic-porcelain-floor-and-wall-tile-nero-prvw-vr~131182118

https://www.build.com/product/summary/1647225?uid=3902512

https://www.homedepot.com/p/Merola-Tile-Peak-Hex-Nero-8-5-8-in-x-9-7-8-in-Porcelain-Floor-and-Wall-Tile-11-5-sq-ft-Case-FCDPKNX/307322392

https://www.wayfair.com/home-improvement/pdp/merola-tile-peak-hex-9-x-10-porcelain-wall-floor-tile-eml10068.html

https://www.bedbathandbeyond.com/c/flooring/floor-tiles?t=31250&featuredproduct=24198580