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Prionocheilus obtusus
Clypeaster sp
It comes from the Lower Ordovician (Upper Tremadocian stage) of the Famous Fezouata Formation
The anatomical details of the insect are staggering
20914 - Beautiful Red Vanadinite Crystals on Manganese Oxide Mibladen Mining District, Morocco Goniatites Prionocheilus obtususVanadinite 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
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