Calleen Cordero Brown Leather Large Rectangular Buckle Belt Stone Bone Buckle 36

Calleen Cordero Brown Leather Large Rectangular Buckle Belt Stone? or Bone? Buckle size 36 The Buckle is beautiful but I don't know what material it is and it's in sections on 5 vertical - zoom in 5 holes + 2 a little further away size 36 Length 41 1/4" + buckle 3 1/4" x 1 3/4"