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Pisolith 1, calcium, carbonate, iglesias, Mineral, minerals, pisoids, pisolite, pisolith, quarry, rare, samples, Sardinia, sulcis
Pisolith 1: A pisolite is a sedimentary rock made of pisoids, which are concretionary grains - often of calcium carbonate, but sometimes of rarer minerals - which resemble ooids but are always more than 2 mm in diameter. These grains are approximately spherical and h 300px
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