Stromatolitic Dolomite SD154 polished slab 20 - 25 mm across

20 - 25 mm across

80 mm x 35 mm  x 20 mm

Dimensions approximately 150mm x 110mm x 10mm thick

With a cut base to stand up as a display piece

It was collected many years ago from a large open cut gold mine at Reedy's near Cue in Western Australia

Stromatolitic Dolomite SD154 polished slab 20 - 25 mm acrossSD154 Stromatolitic Dolomite rough rock, cut and polished on one side. Sections consist of a chaotic mixture of dolomite and or stromatolite fragments set in a matrix of mudstone and or coarsely crystalline dolomite . The pink and red colouration can be attributed to the presence of finely disseminated iron oxides . It often contain layers and nodules of red chert. From the Irregully Formation, Western Australia. Dimensions approximately 170mm x 45mm