TY - JOUR T1 - A Letter from Jacob de Castro Sarmento, M. D. and F. R. S. to Cromwell Mortimer, M. D. Secr. R. S. concerning Diamonds Lately Found in Brazil JF - Philosophical Transactions (1683-1775) VL - 37 SP - 199 EP - 201 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1731.0033 M3 - doi:10.1098/rstl.1731.0033 AU - de Castro Sarmento, J. ER -