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SD157 Stromatolitic Dolomite slab
Dimensions approximately 185 mm x 95 mm x 6 mm thick
110 mm x 120 mm x 12 mm thick
Measures approximately 235mm x 115mm and 8mm thick
From near Nullagine in Western Australia
Stromatolitic Dolomite SD157 #gemstone SD157 Stromatolitic Dolomite slabSD157 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
US$ 174.99
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