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but is softer and more prone to scratches
A small patch of lower-quality chalcedony in one corner has a vivid geen reaction
Approx weight: 113g
** Brittle warning: Be careful putting pressure on crystals along the edge as they may dislodge from the specimen
Pseudo-stromatolites (medium) Magnetite but is softer and moreLocale: Morocco Approx dimensions: 2" avg diameter (1. 52. 5") Approx weight: 130g avg (90220g) A stromatolite is a sedimentary fossil structure made by prehistoric bacteria colonies, typically cyanobacteria. Stromatolites in fact are still living and forming in some parts of our world today, including Australia, and are among the earliest forms of lifeand fossilson our Earth. The fossils form in shallow water conditions of lakes or salt water shores.
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