#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
#quartz#geology#museugeologico#amethyst#lisbon#crystals#minerals