Fossil stromatolite polished on one side.
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.
Age is approx. 1.7 billion years.
From South West of Newman Western Australia.
Approx. 115mm x 55mm x 8mm thick.
Tumble Polished mixed Australian gemstones MXT101
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1 kg. Tumble Polished Noreena Jasper NJT110
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Starry Jasper SJ106
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Polished Lilac Mookaite MK281
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