Stromatolitic Dolomite SD156 ashburton agate CC119 Chrome chalcedony slab

CC119  Chrome chalcedony slab

Dimensions 185 mm x 65 mm x 14 mm thick

polished on one side with natural weathered exterior

It weighs 85 grams

From the Greenbushes mine in southern Western Australia which is the largest operating lithium mine in the world

Stromatolitic Dolomite SD156 ashburton agate CC119 Chrome chalcedony slabSD156 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 170mm x 100mm x 7mm thick