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Back from the gemshow in bangkok we bought the rare stone Sultanite ("Diaspore") against very good prices and furthermore 50-80% DISCOUNT on everything in Hall 2, 3 & 4 Lava outdoor images up to 70% off, all horns, shells and ocean drums also 60-70% Discount. Come quickly, very interesting! Raw stones and Madagascar products from as little as 1.50 / kilo.

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Mary Ellen Stromatolite tumbled stones from South Africa

Mary Ellen Stromatolite tumbled stones from South Africa


Mary Ellen Stromatolite tumbled stones from South Africa


In addition to 15 new newly discovered minerals in 2017, our drumstones specialist from South Africa also has 10 new tumbled stones in 2017, including the above-mentioned stone.


More information

Stromatolites are a form of sedimentary rock that is often highly stratified and contains a lot of calcium. It is caused by cyanobacteria sediment capture and hold. This then forming layer upon layer in a manner that is similar to the manner in which coral reefs. Stromatolites are the oldest fossils, and are found from about 3.5 billion years ago. In the Precambrian they were common, but can be found nowadays, they still formed only in a few special environments, in particular in places where the water is very salt or alkaline. The reason for this is that in normal environments stromatolite a much faster by animals 'grazed' would be then it can be built up. A known location of stromatolites is Shark Bay in Western Australia.