A Ruger Blackhawk I owned was stolen in 1995 and recovered in 2015, it had some white Altamont checkered "ivory" grips on it . They were just white plastic , no color , no grain just white plastic. They fit well, the checkering gave a good grip, but that plain white color was just awefull looking.... I took Rit Dye and dyed them black , I think they look much better than the plain white.
Looking at Altamonts other aged ivory grips....they really dont look that good. The only faux ivory grips I have owned that did look good were made with real elephant ivory dust , no longer available I'm sure, and grips made from ivory Macarta...these look nice.
Oh , I did have real elephant ivory grips made for the Ruger Blackhawk in the early 1970's , but they weren't on the gun when it was stolen. The grip company that made the real ivories sent me a set of the ivory dust bonded grips they were starting to market, the grain/pattern on them didn't match each side but they looked and felt good and those were on the RBH when it was stolen. Would like to have another set of those ivory dust bonded grips if anyone is making them again !
Gary