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Beautiful spine corresponding to the dorsal fin of this incredible shark that reigned the seas and the fluvial systems next to the coast during all the Mesozoic Era
and especially the rounded bullet-shaped stones
Top inedite unpublished specimen
but not quite as large as Spinosaurus
Pomel 1894 (crocodilian)
05085 - Beautiful Red Vanadinite Crystals Cluster from Mibladen Mining District, Midelt Province, Morocco Morocconites Beautiful spine corresponding to theVanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb5(VO4)3Cl. It is one of the main industrial ores of the metal vanadium and a minor source of lead. A dense, brittle mineral, it is usually found in the form of red hexagonal crystals. It is an uncommon mineral, formed by the oxidation of lead ore deposits such as galena. First discovered in 1801 in Mexico, vanadinite deposits have since been unearthed in