David K. Joyce


8.6x6.8x4.7 cm
Keuhl Lake
Brudenell Township
Ontario, Canada


Item number: 27393

Here is a very nice, well terminated long, prismatic zircon crystal perfectly exposed in microcline matrix. The zircon is fluorescent yellow and a very good example from this locality. The zircon crystals from Keuhl lake have been the international standard for geochronological dating for many years.