Stromatolitic Dolomite SD157 rock block 170 mm x 100 mm

170 mm x 100 mm x 9 mm

It weighs 284 grams

Dimensions approximately 150 mm x 110 mm x 7 mm thick

215 mm x 140 mm x 9 mm thick

cut & polished on one side with natural back

Stromatolitic Dolomite SD157 rock block 170 mm x 100 mmSD157 Stromatolitic Dolomite slab, 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 130mm x 100mm x 7mm thick