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Irregular masses, veins and leaf replacements composed of the phosphate minerals vivianite, mitridatite, anapaite and hydroxylapatite occur in the Sarantaporo-Elassona Upper Miocene lacustrine basin, Thessaly, central Greece. They are hosted in clayey diatomite. Grey to dull green irregular veins of anapaite up to 40cm thick and spherical concretions up to 2cm in diameter sporadically occurred at...
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