Kave Home Granite chair
https://kavehome.com/fi/en/p/granite-chair-in-beige-chenille-and-with-solid-ash-wood-in-a-natural-finish-fsc-100 

*** - “Who works with V-Ray version lower than 3.1, pay attention to materials section BRDF (Microfaset GTR (GGX)),
if your version is older than 3.1 - this section will be empty, and you have to choose: Blinn, Ward or Phong, d dependence on material “.