A bone graft substitute made from mother-of-pearl shells sourced off the WA's Kimberley coast receives FDA clearance in the United States. Academics say it is just one example of life-changing medical innovation from WA. newsiviewlistenLoading ABC NewsNews HomePearlBone from WA wins FDA approval for US orthopaedic marketShareShare articlePearlBone from WA wins FDA approval for US orthopaedic marketBy Rachel Jackson. The PearlBone FDA approval follows years of testing, evaluation and development.