Stromatolitic Dolomite SD157 rock block It weighs 284 grams

It weighs 284 grams

Weighs 152 grams

cut & polished on one side with natural back

CLT106  Tumble polished Crazy Lace Agate from Western Australia

IRR 125    Fossil stromatolite slab

Stromatolitic Dolomite SD157 rock block It weighs 284 gramsSD157 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