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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
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Description
CC121 Chrome chalcedony slab
From the mid-west region of Western Australia near the small gold mining centre of Payne's Find
Large crystal lined cavity
220 mm x 220 mm x 50 mm thick
Dimensions approximately 120mm x 100mm x 9mm thick
Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 Polished dendritic opal CC121 Chrome chalcedony slabDOG165 Fossil stromatolite slab, polished on one side. Superb museum quality specimen ! An as yet unidentified stromatolite, form of Pseudogymnosolenid type. The stromatolite occurs as small digitate columns which are finely laminated. It probably grew in shallow water conditions with intermittent subaerial exposure. From an unassigned unit of the Wyloo Group. Age is approx. 1. 8 billion years. From south west of Newman Western Australia. Approx. 285
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