Philip Rashleigh of Menabily, Cornwall, was the son of a country gentleman; In 1749 he entered New College, Oxford, aged 19; he contributed to one of Thomas Warton's university anthologies though he seems not to have taken a degree. Rashleigh was a member of Parliament from Fowey for more than three decades (1765-1802) and was elected FSA and FRS (1788). He collected minerals and published on antiquities.
Specimens of British minerals, selected from the cabinet of Philip Rashleigh. 2 vols, 1797-1802.