TY - JOUR T1 - Experiments on a Mineral Substance Formerly Supposed to Be Zeolite; with Some Remarks on Two Species of Uran-Glimmer. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 1 SP - 209 EP - 210 PY - 1800/01/01/ UR - http://dx.doi.org/10.1098/rspl.1800.0115 M3 - doi:10.1098/rspl.1800.0115 AU - Gregor, W. ER -