#amethyst #geode #quartz #minerals #crystals #rocks #geology #lisbon #museugeologico (at Museu Geol&
#amethyst #geode #quartz #minerals #crystals #rocks #geology #lisbon #museugeologico (at Museu Geológico de Lisboa) -- source link
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#quartz#geology#museugeologico#amethyst#lisbon#crystals#minerals